Lexington Weather

Lexington, Massachusetts, USA

81°F
7/13/2026 6:35pm 
  • Lexington Conditions: Partly cloudy
  • Temperature: 81.0°F / 27.2°CColder 1.8°F than last hour.
  • Dew Point: 68.5°FDecreased 0.4°Fsince last hour.
  • Feels Like: 83.8°F
  • Relative Humidity: 66%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 10 mph
  • Barometer: 30.01 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 - Philadelphia/Mt Holly

    EXTREME HEAT WATCH  

New Castle, DE

Extreme Heat Watch issued July 13 at 2:45PM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ

EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING

Areas Affected: New Castle; Mercer; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Montgomery; Lower Bucks

Urgency: Future

Severity: Severe

Certainty: Likely

Alert Sent: Monday 2:45pm EDT

Alert Effective: Monday 2:45pm EDT

Alert Expires: Tuesday 4:30am EDT (expect updated alert by this time)

Event Onset: Wednesday 10:00am EDT

Event Ends: Wednesday 8:00pm EDT

Issued by: NWS Mount Holly NJ

Details: 
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 106
possible.

* WHERE...In Delaware, New Castle County. In New Jersey, Mercer,
Camden, Gloucester, and Northwestern Burlington Counties. In
Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and
Philadelphia Counties.

* WHEN...From Wednesday morning through Wednesday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

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.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.dcc150788072e1e04a418794b52bf2729648e482.009.1
Codes: DEZ001, NJZ015, NJZ017, NJZ018, NJZ019, PAZ070, PAZ071, PAZ104, PAZ106
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.dcc150788072e1e04a418794b52bf2729648e482.009.1