Lexington Weather

Lexington, Massachusetts, USA

78°F
9/9/2026 2:32pm 
  • Lexington Conditions: Clear
  • Temperature: 77.7°F / 25.4°CWarmer 1.8°F than last hour.
  • Dew Point: 64.6°F 
  • Relative Humidity: 64%Decreased 4.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 2 mph
  • Barometer: 30.07 inFalling 0.03 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Sacramento, CA

    HEAT ADVISORY  

Heat Advisory issued September 9 at 10:37AM PDT until September 10 at 10:00PM PDT by NWS Sacramento CA

HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY

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

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Wednesday 10:37am PDT

Alert Effective: Wednesday 10:37am PDT

Alert Expires: Thursday 5:00pm PDT (expect updated alert by this time)

Event Onset: Wednesday 10:37am PDT

Event Ends: Thursday 10:00pm PDT

Issued by: NWS Sacramento CA

Details: 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY...

* WHAT...High temperatures 97 to 103 and low temperatures 65 to 75
expected, with widespread Moderate HeatRisk and areas of Major
HeatRisk.

* WHERE...The central and southern Sacramento Valley, northern San
Joaquin Valley, Delta and Carquinez Strait, foothills, and portions
of the Coast Range.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially to
anyone without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...Hottest temperatures and areas of Major
HeatRisk are expected today. Warmest overnight lows are expected in
the Sierra foothills thermal belts.

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

Meta data: 
ID: urn:oid:2.49.0.1.840.0.c33099d8a31c548ef20bb7f5723514611ac9583e.001.1
Codes: CAZ129, CAZ131, CAZ134, CAZ137, CAZ142, CAZ144, CAZ145, CAZ146, CAZ148, CAZ149, CAZ150, CAZ151, CAZ152, CAZ153, CAZ154, CAZ155, CAZ156, CAZ157, CAZ158, CAZ159, CAZ160, CAZ161, CAZ162, CAZ163, CAZ164
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c33099d8a31c548ef20bb7f5723514611ac9583e.001.1