Lexington Weather

Lexington, Massachusetts, USA

60°F
9/9/2026 9:01am 
  • Lexington Conditions: Mostly cloudy
  • Temperature: 60.3°F / 15.7°CWarmer 1.1°F than last hour.
  • Dew Point: 57.6°FIncreased 1.1°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
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Los Angeles, CA

    EXTREME HEAT WARNING  

Extreme Heat Warning issued September 9 at 1:11AM PDT until September 10 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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

Areas Affected: Cuyama Valley; Santa Clarita Valley; San Luis Obispo County Beaches; 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 Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Southeastern Ventura County Valleys; Santa Susana Mountains

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Wednesday 1:11am PDT

Alert Effective: Wednesday 1:11am PDT

Alert Expires: Thursday 8:00pm PDT

Event Onset: Wednesday 8:00am PDT

Event Ends: Thursday 8:00pm 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...

* WHAT...Temperatures of 88 to 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...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, except likely peaking
Thursday for the Santa Barbara South Coast.

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.

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.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.da14037dc337bb529017df499a9745b0cace3362.002.1
Codes: CAZ038, CAZ088, CAZ340, CAZ341, CAZ342, CAZ343, CAZ344, CAZ345, CAZ346, CAZ347, CAZ348, CAZ349, CAZ350, CAZ351, CAZ352, CAZ353, CAZ354, CAZ355, CAZ356, CAZ357, CAZ358, CAZ374, CAZ375
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.da14037dc337bb529017df499a9745b0cace3362.002.1