Lexington Weather

Lexington, Massachusetts, USA

69°F
8/27/2026 12:05am 
  • Lexington Conditions: Clear
  • Temperature: 69.4°F / 20.8°CColder 1.1°F than last hour.
  • Dew Point: 64.0°FDecreased 0.4°Fsince last hour.
  • Relative Humidity: 83%Increased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.00 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Extreme Heat Warning

Issued by the National Weather Service - Los Angeles, CA

    EXTREME HEAT WARNING  

Extreme Heat Warning issued August 26 at 10:54AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY

Areas Affected: Cuyama Valley; Santa Clarita Valley; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley; Los Angeles County San Gabriel Valley

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Wednesday 10:54am PDT

Alert Effective: Wednesday 10:54am PDT

Alert Expires: Friday 8:00pm PDT

Event Onset: Wednesday 10:54am PDT

Event Ends: Friday 8:00pm PDT

Issued by: NWS Los Angeles/Oxnard CA

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...

* WHAT...Hot daytime conditions with high temperatures between 100
and 110 common. Warm overnight conditions will bring less relief
than usual.

* WHERE...Most mountains and valleys of Los Angeles, Ventura, and
Santa Barbara Counties.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...There is a high risk for dangerous heat illness,
especially for sensitive groups like 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. Do not leave young
children and pets in unattended vehicles. Limit strenuous activities
to early morning or evening hours. Take action when you see symptoms
of heat exhaustion.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.7c04d47739b010bc33f7d53c614a61566da0ae6a.001.1
Codes: CAZ038, CAZ088, CAZ351, CAZ352, CAZ353, CAZ356, CAZ357, CAZ358, CAZ369, CAZ370, CAZ371, CAZ372, CAZ373, CAZ374, CAZ375, CAZ376, CAZ378, CAZ379, CAZ380, CAZ381, CAZ382, CAZ383, CAZ548
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7c04d47739b010bc33f7d53c614a61566da0ae6a.001.1