Lexington Weather

Lexington, Massachusetts, USA

67°F
7/16/2026 8:08am 
  • Lexington Conditions: Smoke, Clear
  • Temperature: 67.1°F / 19.5°CWarmer 2.7°F than last hour.
  • Dew Point: 61.2°FIncreased 2.7°Fsince last hour.
  • Relative Humidity: 81% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.80 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Air Quality Alert - Air Quality Alert
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - Los Angeles, CA

    EXTREME HEAT WARNING  

Western Antelope Valley Foothills, 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

Areas Affected: Cuyama Valley; Santa Clarita Valley; Lake Casitas; Ojai Valley; Central Ventura County Valleys; 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; Southeastern Ventura County Valleys; Santa Susana 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: 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...

* WHAT...Dangerously hot conditions with temperatures up to 106.

* WHERE...A portion of southwest California.

* 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: 
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.

If you do not have air conditioning in your home or lack shelter,
you can call 211 for assistance locating appropriate shelter from
the heat.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.13db4367df767c898b6c02e1d32f4f7d27560648.002.1
Codes: CAZ038, CAZ088, CAZ356, CAZ357, CAZ358, CAZ368, CAZ369, CAZ370, CAZ371, CAZ372, CAZ373, CAZ374, CAZ375, CAZ378, CAZ379, CAZ380, CAZ381, CAZ382, CAZ383, CAZ548
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.13db4367df767c898b6c02e1d32f4f7d27560648.002.1