Lexington Weather

Lexington, Massachusetts, USA

80°F
7/13/2026 7:37pm 
  • Lexington Conditions: Clear
  • Temperature: 80.1°F / 26.7°CColder 0.7°F than last hour.
  • Dew Point: 66.4°FDecreased 2.0°Fsince last hour.
  • Feels Like: 82.2°F
  • Relative Humidity: 63%Decreased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 4 mph
  • Barometer: 30.00 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Heat Advisory
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - Los Angeles, CA

    EXTREME HEAT WARNING  

Western San Gabriel Mountains and Highway 14 Corridor, CA

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

HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY

Areas Affected: Cuyama Valley; Santa Barbara County Interior Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains

Urgency: Expected

Severity: Severe

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: Tuesday 10:00am PDT

Event Ends: Thursday 8:00pm PDT

Issued by: NWS Los Angeles/Oxnard CA

Details: 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY...

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

* WHERE...Cuyama Valley, Eastern San Gabriel Mountains, Interstate 5
Corridor, Santa Barbara County Interior Mountains, and Western San
Gabriel Mountains and Highway 14 Corridor.

* WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the
Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Thursday.

* 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.

* 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.

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.f80b55ca679926f085521f1fa4223e7a9d86cea3.002.2
Codes: CAZ038, CAZ353, CAZ378, CAZ379, CAZ380
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f80b55ca679926f085521f1fa4223e7a9d86cea3.002.2

 

    HEAT ADVISORY  

Western San Gabriel Mountains and Highway 14 Corridor, CA

Heat Advisory issued July 13 at 8:38AM PDT until July 14 at 10:00AM PDT by NWS Los Angeles/Oxnard CA

HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY

Areas Affected: Cuyama Valley; Santa Barbara County Interior Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel 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: Tuesday 10:00am PDT

Issued by: NWS Los Angeles/Oxnard CA

Details: 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY...

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

* WHERE...Cuyama Valley, Eastern San Gabriel Mountains, Interstate 5
Corridor, Santa Barbara County Interior Mountains, and Western San
Gabriel Mountains and Highway 14 Corridor.

* WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the
Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Thursday.

* 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.

* 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.

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.f80b55ca679926f085521f1fa4223e7a9d86cea3.002.3
Codes: CAZ038, CAZ353, CAZ378, CAZ379, CAZ380
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f80b55ca679926f085521f1fa4223e7a9d86cea3.002.3