Lexington Weather

Lexington, Massachusetts, USA

71°F
7/16/2026 9:07am 
  • Lexington Conditions: Smoke, Clear
  • Temperature: 71.4°F / 21.9°CWarmer 4.5°F than last hour.
  • Dew Point: 63.1°FIncreased 2.5°Fsince last hour.
  • Relative Humidity: 75%Decreased 5.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 2 mph
  • Barometer: 29.79 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Air Quality Alert - Air Quality Alert
 - SEE ALL NEARBY ALERTS -

Heat Advisory

Issued by the National Weather Service - Los Angeles, CA

    HEAT ADVISORY  

Catalina and Santa Barbara Islands, CA; San Luis Obispo County Inland Central Coast, CA; Santa Lucia Mountains, CA; Southern Salinas Valley, CA; San Luis Obispo County Interior Valleys, CA; San Luis Obispo County Mountains, CA; Santa Barbara County Inland Central Coast, CA; Santa Ynez Valley, CA; Ventura County Beaches, CA; Ventura County Inland Coast, CA; Malibu Coast, CA; Los Angeles County Beaches, CA; Palos Verdes Hills, CA; Southern Ventura County Mountains, CA; Northern Ventura County Mountains, CA; San Miguel and Santa Rosa Islands, CA; Santa Cruz and Anacapa Islands, CA

Heat Advisory issued July 16 at 2:28AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING

Areas Affected: Catalina and Santa Barbara Islands; San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Southern Ventura County Mountains; Northern Ventura County Mountains; San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Thursday 2:28am PDT

Alert Effective: Thursday 2:28am PDT

Alert Expires: Thursday 8:00pm PDT

Event Onset: Thursday 2:28am PDT

Event Ends: Thursday 8:00pm PDT

Issued by: NWS Los Angeles/Oxnard CA

Details: 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Temperatures up to 104.

* WHERE...A portion of southwest California.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.

Information: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

Monitor the latest forecasts and warnings for updates.

If you do not have air conditioning in your home or lack shelter,
you can call 211 for assistance locating appropriate shelter from
the heat.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.13db4367df767c898b6c02e1d32f4f7d27560648.003.1
Codes: CAZ087, CAZ341, CAZ342, CAZ343, CAZ344, CAZ345, CAZ347, CAZ348, CAZ354, CAZ355, CAZ362, CAZ366, CAZ367, CAZ376, CAZ377, CAZ549, CAZ550
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.13db4367df767c898b6c02e1d32f4f7d27560648.003.1