Lexington Weather

Lexington, Massachusetts, USA

72°F
7/16/2026 9:11am 
  • Lexington Conditions: Smoke, Clear
  • Temperature: 71.8°F / 22.1°CWarmer 4.5°F than last hour.
  • Dew Point: 63.5°FIncreased 2.5°Fsince last hour.
  • Relative Humidity: 75%Decreased 5.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 29.79 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Air Quality Alert - Air Quality Alert
 - SEE ALL NEARBY ALERTS -

Extreme Heat Warning

Issued by the National Weather Service - Los Angeles, CA

    EXTREME HEAT WARNING  

Santa Barbara County Southwestern Coast, CA; Santa Barbara County Southeastern Coast, CA; Santa Ynez Mountains Western Range, CA; Santa Ynez Mountains Eastern Range, CA; Santa Barbara County Interior Mountains, CA

Extreme Heat Warning issued July 16 at 2:28AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... ...WIND ADVISORY IS CANCELLED

Areas Affected: 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

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Thursday 2:28am PDT

Alert Effective: Thursday 2:28am PDT

Alert Expires: Thursday 8:00pm PDT

Event Onset: Thursday 2:28am PDT

Event Ends: Thursday 8:00pm PDT

Issued by: NWS Los Angeles/Oxnard CA

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... ...WIND ADVISORY IS CANCELLED...

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 101.

* WHERE...Santa Barbara County Interior Mountains, Santa Barbara
County Southeastern Coast, Santa Barbara County Southwestern
Coast, Santa Ynez Mountains Eastern Range, and Santa Ynez
Mountains Western Range.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.

Information: 
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

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.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

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.

Stay cool, stay hydrated, stay informed.

Monitor the latest forecasts and warnings for updates.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.13db4367df767c898b6c02e1d32f4f7d27560648.001.2
Codes: CAZ349, CAZ350, CAZ351, CAZ352, CAZ353
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.13db4367df767c898b6c02e1d32f4f7d27560648.001.2