Lexington Weather

Lexington, Massachusetts, USA

80°F
7/13/2026 7:29pm 
  • Lexington Conditions: Clear
  • Temperature: 80.1°F / 26.7°CColder 1.0°F than last hour.
  • Dew Point: 65.8°FDecreased 2.4°Fsince last hour.
  • Feels Like: 82°F
  • Relative Humidity: 62%Decreased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 2 mph
  • Barometer: 29.99 inFalling 0.02 inHg/hr Falling Slowly
  • 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

    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

 

    FIRE WEATHER WATCH  

Northern Ventura County Mountains, CA

Fire Weather Watch issued July 13 at 1:13PM PDT until July 16 at 9:00AM PDT by NWS Los Angeles/Oxnard CA

FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING FOR STRONG NORTHWEST TO NORTH WINDS ALONG WITH LOW RELATIVE HUMIDITY AND HOT TEMPERATURES FOR THE MOUNTAINS AND SOUTH COAST OF SANTA BARBARA COUNTY AS WELL AS THE VENTURA COUNTY MOUNTAINS AND INTERSTATE 5 CORRIDOR

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; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor

Urgency: Future

Severity: Severe

Certainty: Possible

Alert Sent: Monday 1:13pm PDT

Alert Effective: Monday 1:13pm PDT

Alert Expires: Thursday 9:00am PDT

Event Onset: Wednesday 3:00pm PDT

Event Ends: Thursday 9:00am PDT

Issued by: NWS Los Angeles/Oxnard CA

Details: 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING FOR STRONG NORTHWEST TO NORTH WINDS ALONG WITH LOW RELATIVE HUMIDITY AND HOT TEMPERATURES FOR THE MOUNTAINS AND SOUTH COAST OF SANTA BARBARA COUNTY AS WELL AS THE VENTURA COUNTY MOUNTAINS AND INTERSTATE 5 CORRIDOR...

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY MORNING FOR STRONG NORTHWEST TO NORTH WINDS ALONG WITH
LOW RELATIVE HUMIDITY AND HOT TEMPERATURES FOR THE MOUNTAINS AND
SOUTH COAST OF SANTA BARBARA COUNTY AS WELL AS THE VENTURA COUNTY
MOUNTAINS AND INTERSTATE 5 CORRIDOR...

.Strong northwest to north winds, hot temperatures, and low
relative humidity will produce the potential for critical fire-
weather conditions late Wednesday through early Thursday.

The National Weather Service in Los Angeles/Oxnard has issued a
Fire Weather Watch for strong northwest to north winds along with
low relative humidity and hot temperatures, which is in effect
from Wednesday afternoon through Thursday morning.

* WINDS...Northwest to north winds 20 to 30 mph with gusts of 45
to 55 mph, strongest in Sundowner wind prone areas of southern
Santa Barbara County.

* RELATIVE HUMIDITY...10 to 25 percent.

* IMPACTS...If fire ignition occurs, conditions are favorable for
extreme fire behavior, rapid fire growth, and long range
spotting, which could threaten life and property. The hot air
mass will also contribute to the potential for significant
vertical plume growth.

Information: 
A Fire Weather Watch means that critical fire weather conditions
are likely to occur in the coming days. Residents near wildland
interfaces should prepare now on what to do if a wildfire breaks
out. See readyforwildfire.org and wildfirerisk.org for
information.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.0fa02664ae07525c4a00662fc9a73e21a5989da9.001.1
Codes: CAZ349, CAZ350, CAZ351, CAZ352, CAZ353, CAZ376, CAZ377, CAZ378
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0fa02664ae07525c4a00662fc9a73e21a5989da9.001.1