Lexington Weather

Lexington, Massachusetts, USA

74°F
9/9/2026 12:51pm 
  • Lexington Conditions: Clear
  • Temperature: 74.3°F / 23.5°CWarmer 4.3°F than last hour.
  • Dew Point: 63.5°FIncreased 0.7°Fsince last hour.
  • Relative Humidity: 69%Decreased 9.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 6 mph
  • Barometer: 30.13 inFalling 0.02  inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Current Watches, Warnings, and Advisories

For California, Oregon, Washington

Issued by the National Weather Service

   Extreme Heat Warning - Expires: Wednesday 3:00pm PDT
       Cadiz Basin, CA
       Death Valley National Park, CA
       San Bernardino County-Upper Colorado River Valley, CA

   Extreme Heat Warning - Expires: Thursday 8:00pm PDT
       Calabasas and Agoura Hills, CA
       Eastern San Fernando Valley, CA
       Eastern Santa Monica Mountains Recreational Area, CA
       Los Angeles County Beaches, CA
       Los Angeles County Inland Coast including Downtown Los Angeles, CA
       Los Angeles County San Gabriel Valley, CA
       Malibu Coast, CA
       Palos Verdes Hills, CA
       Western San Fernando Valley, CA
       Western Santa Monica Mountains Recreational Area, CA

   Extreme Heat Warning - Expires: Thursday 8:00pm PDT
       Catalina and Santa Barbara Islands, CA

   Extreme Heat Warning - Expires: Thursday 8:00pm PDT
       Central Ventura County Valleys, CA
       Cuyama Valley, CA
       Lake Casitas, CA
       Ojai Valley, CA
       San Luis Obispo County Beaches, CA
       San Luis Obispo County Inland Central Coast, CA
       San Luis Obispo County Interior Valleys, CA
       San Luis Obispo County Mountains, CA
       Santa Barbara County Central Coast Beaches, CA
       Santa Barbara County Inland Central Coast, CA
       Santa Barbara County Interior Mountains, CA
       Santa Barbara County Southeastern Coast, CA
       Santa Barbara County Southwestern Coast, CA
       Santa Clarita Valley, CA
       Santa Lucia Mountains, CA
       Santa Susana Mountains, CA
       Santa Ynez Mountains Eastern Range, CA
       Santa Ynez Mountains Western Range, CA
       Santa Ynez Valley, CA
       Southeastern Ventura County Valleys, CA
       Southern Salinas Valley, CA
       Ventura County Beaches, CA
       Ventura County Inland Coast, CA

   Extreme Heat Warning - Expires: Wednesday 4:00pm MST
       Chuckwalla Valley, CA
       Palo Verde Valley, CA

   Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
       Coachella Valley, CA
       San Diego County Deserts, CA
       San Gorgonio Pass Near Banning, CA

   Extreme Heat Warning - Expires: Wednesday 4:00pm PDT
       Imperial County Southwest, CA
       Imperial County West, CA
       Imperial Valley, CA

   Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
       Orange County Coastal, CA
       San Diego County Coastal Areas, CA

   Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
       Orange County Inland, CA

   Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
       San Bernardino and Riverside County Valleys-The Inland Empire, CA

   Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
       San Diego County Inland Valleys, CA

   Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
       Santa Ana Mountains and Foothills, CA

   Heat Advisory - Expires: Wednesday 12:00pm PDT
       Bakersfield, CA
       Buena Vista, CA
       Buttonwillow - Lost Hills - I5, CA
       Caruthers - San Joaquin - Selma, CA
       Coalinga - Avenal, CA
       Delano-Wasco-Shafter, CA
       Fresno-Clovis, CA
       Fresno-Tulare Foothills, CA
       Hanford - Corcoran - Lemoore, CA
       Los Banos - Dos Palos, CA
       Mariposa Madera Foothills, CA
       Merced - Madera - Mendota, CA
       Planada - Le Grand - Snelling, CA
       South End San Joaquin Valley, CA
       South End Sierra Foothills, CA
       Southeast San Joaquin Valley, CA
       Visalia - Porterville - Reedley, CA
       West Side Mountains South of 198, CA
       West Side Mountains north of 198, CA
       West Side of Fresno and Kings Counties, CA

   Heat Advisory - Expires: Wednesday 4:00pm PDT
       Butte County Below 1000 ft, CA
       Capay Hills of Yolo County and Vaca Hills of Solano County, CA
       Central Colusa County Including Interstate 5, CA
       Central Glenn County Including Interstate 5, CA
       Central Motherlode Between 1000-3000 ft, CA
       Central San Joaquin County Including Stockton Metro, CA
       Central Solano County Including Fairfield and Vacaville, CA
       Central Stanislaus County Including Modesto Metro, CA
       Central Yolo and Northeast Solano Counties Including Woodland and Davis, CA
       Eastern Colusa County, CA
       Eastern Diablo Range Above 1000 ft, CA
       Eastern Glenn County, CA
       Northeastern San Joaquin Valley Below 1000 ft, CA
       Northern Motherlode Between 1000-3000 ft, CA
       Northern Sacramento Valley in Tehama County, CA
       Sacramento County Delta, CA
       Sacramento Metro and Western El Dorado and Amador Counties, CA
       San Joaquin County Delta, CA
       Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft, CA
       Southern Motherlode Between 1000-3000 ft, CA
       Southwestern Solano County Including Vallejo, CA
       Sutter and Yuba Counties Below 1000 ft, CA
       Tracy Triangle Below 1000 ft, CA
       Western Stanislaus County Below 1000 ft Including Interstate 5, CA
       Western Yolo County Including Capay Valley and Interstate 505, CA

   Heat Advisory - Expires: Thursday 10:00pm PDT
       Coastal North Bay Including Point Reyes National Seashore, CA
       East Bay Hills, CA
       East Bay Interior Valleys, CA
       Eastern Santa Clara Hills, CA
       Marin Coastal Range, CA
       Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park, CA
       North Bay Interior Mountains, CA
       North Bay Interior Valleys, CA
       Northern Monterey Bay, CA
       Northern Salinas Valley/Hollister Valley and Carmel Valley, CA
       San Francisco Bay Shoreline, CA
       San Francisco Peninsula Coast, CA
       San Francisco, CA
       Santa Clara Valley Including San Jose, CA
       Santa Cruz Mountains, CA
       Santa Lucia Mountains and Los Padres National Forest, CA
       Sonoma Coastal Range, CA
       Southern Monterey Bay and Big Sur Coast, CA
       Southern Salinas Valley/Arroyo Seco and Lake San Antonio, CA

   Heat Advisory - Expires: Wednesday 3:30pm PDT
       Orange County Coastal, CA
       San Diego County Coastal Areas, CA

   Heat Advisory - Expires: Wednesday 3:30pm PDT
       Orange County Inland, CA

   Heat Advisory - Expires: Wednesday 3:30pm PDT
       Riverside County Mountains, CA
       San Diego County Mountains, CA

   Heat Advisory - Expires: Wednesday 3:30pm PDT
       San Bernardino and Riverside County Valleys-The Inland Empire, CA

   Heat Advisory - Expires: Wednesday 3:30pm PDT
       San Diego County Inland Valleys, CA

   Heat Advisory - Expires: Wednesday 3:30pm PDT
       Santa Ana Mountains and Foothills, CA

   Coastal Flood Advisory - Expires: Thursday 1:00am PDT
       North Bay Interior Valleys, CA
       Northern Monterey Bay, CA
       San Francisco Bay Shoreline, CA
       San Francisco, CA
       Southern Monterey Bay and Big Sur Coast, CA

   Coastal Flood Advisory - Expires: Wednesday 3:00pm PDT
       Orange County Coastal, CA
       San Diego County Coastal Areas, CA

   Beach Hazards Statement - Expires: Wednesday 3:00pm PDT
       Catalina and Santa Barbara Islands, CA
       Los Angeles County Beaches, CA
       Malibu Coast, CA
       Santa Barbara County Southeastern Coast, CA
       Santa Barbara County Southwestern Coast, CA
       Ventura County Beaches, CA

Bakersfield, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Buena Vista, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Butte County Below 1000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Buttonwillow - Lost Hills - I5, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Cadiz Basin, CA
      Extreme Heat Warning - Expires: Wednesday 3:00pm PDT

Calabasas and Agoura Hills, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Capay Hills of Yolo County and Vaca Hills of Solano County, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Caruthers - San Joaquin - Selma, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Catalina and Santa Barbara Islands, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT
      Beach Hazards Statement - Expires: Wednesday 3:00pm PDT

Central Colusa County Including Interstate 5, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Central Glenn County Including Interstate 5, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Central Motherlode Between 1000-3000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Central San Joaquin County Including Stockton Metro, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Central Solano County Including Fairfield and Vacaville, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Central Stanislaus County Including Modesto Metro, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Central Ventura County Valleys, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Central Yolo and Northeast Solano Counties Including Woodland and Davis, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Chuckwalla Valley, CA
      Extreme Heat Warning - Expires: Wednesday 4:00pm MST

Coachella Valley, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT

Coalinga - Avenal, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Coastal North Bay Including Point Reyes National Seashore, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Cuyama Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Death Valley National Park, CA
      Extreme Heat Warning - Expires: Wednesday 3:00pm PDT

Delano-Wasco-Shafter, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

East Bay Hills, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

East Bay Interior Valleys, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Eastern Colusa County, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Eastern Diablo Range Above 1000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Eastern Glenn County, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Eastern San Fernando Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Eastern Santa Clara Hills, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Eastern Santa Monica Mountains Recreational Area, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Fresno-Clovis, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Fresno-Tulare Foothills, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Hanford - Corcoran - Lemoore, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Imperial County Southwest, CA
      Extreme Heat Warning - Expires: Wednesday 4:00pm PDT

Imperial County West, CA
      Extreme Heat Warning - Expires: Wednesday 4:00pm PDT

Imperial Valley, CA
      Extreme Heat Warning - Expires: Wednesday 4:00pm PDT

Lake Casitas, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Los Angeles County Beaches, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT
      Beach Hazards Statement - Expires: Wednesday 3:00pm PDT

Los Angeles County Inland Coast including Downtown Los Angeles, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Los Angeles County San Gabriel Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Los Banos - Dos Palos, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Malibu Coast, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT
      Beach Hazards Statement - Expires: Wednesday 3:00pm PDT

Marin Coastal Range, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Mariposa Madera Foothills, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Merced - Madera - Mendota, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

North Bay Interior Mountains, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

North Bay Interior Valleys, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT
      Coastal Flood Advisory - Expires: Thursday 1:00am PDT

Northeastern San Joaquin Valley Below 1000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Northern Monterey Bay, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT
      Coastal Flood Advisory - Expires: Thursday 1:00am PDT

Northern Motherlode Between 1000-3000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Northern Sacramento Valley in Tehama County, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Northern Salinas Valley/Hollister Valley and Carmel Valley, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Ojai Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Orange County Coastal, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
      Heat Advisory - Expires: Wednesday 3:30pm PDT
      Coastal Flood Advisory - Expires: Wednesday 3:00pm PDT

Orange County Inland, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
      Heat Advisory - Expires: Wednesday 3:30pm PDT

Palo Verde Valley, CA
      Extreme Heat Warning - Expires: Wednesday 4:00pm MST

Palos Verdes Hills, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Planada - Le Grand - Snelling, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Riverside County Mountains, CA
      Heat Advisory - Expires: Wednesday 3:30pm PDT

Sacramento County Delta, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Sacramento Metro and Western El Dorado and Amador Counties, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

San Bernardino County-Upper Colorado River Valley, CA
      Extreme Heat Warning - Expires: Wednesday 3:00pm PDT

San Bernardino and Riverside County Valleys-The Inland Empire, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
      Heat Advisory - Expires: Wednesday 3:30pm PDT

San Diego County Coastal Areas, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
      Heat Advisory - Expires: Wednesday 3:30pm PDT
      Coastal Flood Advisory - Expires: Wednesday 3:00pm PDT

San Diego County Deserts, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT

San Diego County Inland Valleys, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
      Heat Advisory - Expires: Wednesday 3:30pm PDT

San Diego County Mountains, CA
      Heat Advisory - Expires: Wednesday 3:30pm PDT

San Francisco Bay Shoreline, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT
      Coastal Flood Advisory - Expires: Thursday 1:00am PDT

San Francisco Peninsula Coast, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

San Francisco, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT
      Coastal Flood Advisory - Expires: Thursday 1:00am PDT

San Gorgonio Pass Near Banning, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT

San Joaquin County Delta, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

San Luis Obispo County Beaches, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

San Luis Obispo County Inland Central Coast, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

San Luis Obispo County Interior Valleys, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

San Luis Obispo County Mountains, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Ana Mountains and Foothills, CA
      Extreme Heat Warning - Expires: Wednesday 3:30pm PDT
      Heat Advisory - Expires: Wednesday 3:30pm PDT

Santa Barbara County Central Coast Beaches, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Barbara County Inland Central Coast, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Barbara County Interior Mountains, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Barbara County Southeastern Coast, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT
      Beach Hazards Statement - Expires: Wednesday 3:00pm PDT

Santa Barbara County Southwestern Coast, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT
      Beach Hazards Statement - Expires: Wednesday 3:00pm PDT

Santa Clara Valley Including San Jose, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Santa Clarita Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Cruz Mountains, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Santa Lucia Mountains and Los Padres National Forest, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Santa Lucia Mountains, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Susana Mountains, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Ynez Mountains Eastern Range, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Ynez Mountains Western Range, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Santa Ynez Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Sonoma Coastal Range, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

South End San Joaquin Valley, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

South End Sierra Foothills, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Southeast San Joaquin Valley, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Southeastern Ventura County Valleys, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Southern Monterey Bay and Big Sur Coast, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT
      Coastal Flood Advisory - Expires: Thursday 1:00am PDT

Southern Motherlode Between 1000-3000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Southern Salinas Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Southern Salinas Valley/Arroyo Seco and Lake San Antonio, CA
      Heat Advisory - Expires: Thursday 10:00pm PDT

Southwestern Solano County Including Vallejo, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Sutter and Yuba Counties Below 1000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Tracy Triangle Below 1000 ft, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Ventura County Beaches, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT
      Beach Hazards Statement - Expires: Wednesday 3:00pm PDT

Ventura County Inland Coast, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Visalia - Porterville - Reedley, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

West Side Mountains South of 198, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

West Side Mountains north of 198, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

West Side of Fresno and Kings Counties, CA
      Heat Advisory - Expires: Wednesday 12:00pm PDT

Western San Fernando Valley, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Western Santa Monica Mountains Recreational Area, CA
      Extreme Heat Warning - Expires: Thursday 8:00pm PDT

Western Stanislaus County Below 1000 ft Including Interstate 5, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT

Western Yolo County Including Capay Valley and Interstate 505, CA
      Heat Advisory - Expires: Wednesday 4:00pm PDT