Lexington Weather

Lexington, Massachusetts, USA

78°F
7/13/2026 9:03pm 
  • Lexington Conditions: Clear
  • Temperature: 78.3°F / 25.7°CColder 1.0°F than last hour.
  • Dew Point: 66.0°FIncreased 0.3°Fsince last hour.
  • Relative Humidity: 66%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 30.01 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Heat Advisory
 - SEE ALL NEARBY ALERTS -

Heat Advisory

Issued by the National Weather Service - Los Angeles, CA

    HEAT ADVISORY  

Northern Ventura County Mountains, CA

Heat Advisory issued July 13 at 8:38AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY

Areas Affected: Northern Ventura County Mountains

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Monday 8:38am PDT

Alert Effective: Monday 8:38am PDT

Alert Expires: Monday 8:45pm PDT (expect updated alert by this time)

Event Onset: Monday 8:38am PDT

Event Ends: Thursday 8:00pm PDT

Issued by: NWS Los Angeles/Oxnard CA

Details: 
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures of 90 to 110 degrees, hottest on Wednesday and
over interior areas.

* WHERE...Northern Ventura County Mountains.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.

* ADDITIONAL DETAILS...Humid conditions will add to the heat to
potentially worsen heat impacts. Effects of the heat will build
through the week, with warm overnight low temperatures providing
little relief from the heat.

Information: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

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.

Monitor the latest forecasts and warnings for updates.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.f80b55ca679926f085521f1fa4223e7a9d86cea3.007.1
Codes: CAZ377
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f80b55ca679926f085521f1fa4223e7a9d86cea3.007.1