Lexington Weather

Lexington, Massachusetts, USA

78°F
7/15/2026 5:40am 
  • Lexington Conditions: Partly cloudy
  • Temperature: 77.7°F / 25.4°CWarmer 0.2°F than last hour.
  • Dew Point: 70.7°FDecreased 0.2°Fsince last hour.
  • Relative Humidity: 79%Decreased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.67 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - San Diego, CA

    EXTREME HEAT WARNING  

San Diego County Inland Valleys, CA

Extreme Heat Warning issued July 15 at 1:53AM PDT until July 16 at 8:00PM PDT by NWS San Diego CA

EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT THURSDAY

Areas Affected: San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; San Bernardino County Mountains; Riverside County Mountains; Santa Ana Mountains and Foothills; San Diego County Mountains; San Gorgonio Pass Near Banning; Orange County Inland

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Wednesday 1:53am PDT

Alert Effective: Wednesday 1:53am PDT

Alert Expires: Wednesday 3:45pm PDT (expect updated alert by this time)

Event Onset: Wednesday 10:00am PDT

Event Ends: Thursday 8:00pm PDT

Issued by: NWS San Diego CA

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT THURSDAY...

* WHAT...Hot and humid conditions with elevated overnight
temperatures in the upper 60s and lower 70s. High temperatures in
the 90s for inland Orange County and in the mountains below 6000
feet, in the mid 90s to 102 in the San Diego County valleys, and
in the upper 90s to 108 for the Inland Empire expected.

* WHERE...Orange County Inland Areas, Riverside County Mountains,
San Bernardino County Mountains, San Bernardino and Riverside
County Valleys-The Inland Empire, San Diego County Mountains, San
Diego County Valleys, San Gorgonio Pass near Banning, and Santa
Ana Mountains and Foothills.

* WHEN...From 10 AM this morning to 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

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

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.9663a823ffdfd2606e244dd9f34c8889219a9178.003.1
Codes: CAZ048, CAZ050, CAZ055, CAZ056, CAZ057, CAZ058, CAZ065, CAZ554
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9663a823ffdfd2606e244dd9f34c8889219a9178.003.1