Lexington Weather

Lexington, Massachusetts, USA

59°F
9/9/2026 7:08am 
  • Lexington Conditions: Overcast
  • Temperature: 58.5°F / 14.7°CColder 0.1°F than last hour.
  • Dew Point: 55.8°FDecreased 0.1°Fsince last hour.
  • Relative Humidity: 91% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.21 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Heat Advisory

Issued by the National Weather Service - Los Angeles, CA

    HEAT ADVISORY  

Heat Advisory issued September 9 at 1:11AM PDT until September 9 at 8:00AM PDT by NWS Los Angeles/Oxnard CA

EXTREME HEAT WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM PDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING

Areas Affected: Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Los Angeles County San Gabriel Valley

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Wednesday 1:11am PDT

Alert Effective: Wednesday 1:11am PDT

Alert Expires: Thursday 8:00pm PDT (expect updated alert by this time)

Event Onset: Wednesday 1:11am PDT

Event Ends: Wednesday 8:00am PDT

Issued by: NWS Los Angeles/Oxnard CA

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

* WHAT...Temperatures between 92 and 108 expected.

* WHERE...Calabasas and Agoura Hills, Eastern San Fernando Valley,
Eastern Santa Monica Mountains Recreational Area, Los Angeles
County Beaches, Los Angeles County Inland Coast including Downtown
Los Angeles, Los Angeles County San Gabriel Valley, Malibu Coast,
Palos Verdes Hills, Western San Fernando Valley, and Western Santa
Monica Mountains Recreational Area

* WHEN...For the Heat Advisory, until 8 AM PDT this morning. For the
Extreme Heat Warning, from 8 AM this morning to 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Humid conditions will add to heat discomfort.
Heat peaking on Wednesday for most areas.

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.

Stay cool, stay hydrated, stay informed.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.da14037dc337bb529017df499a9745b0cace3362.001.2
Codes: CAZ362, CAZ366, CAZ367, CAZ368, CAZ369, CAZ370, CAZ371, CAZ372, CAZ373, CAZ548
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.da14037dc337bb529017df499a9745b0cace3362.001.2