Lexington Weather

Lexington, Massachusetts, USA

86°F
6/30/2026 3:25pm 
  • Lexington Conditions: Clear
  • Temperature: 86.2°F / 30.1°CColder 1.2°F than last hour.
  • Dew Point: 69.6°FIncreased 3.0°Fsince last hour.
  • Feels Like: 90.7°F
  • Relative Humidity: 58%Increased 8.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 7 mph
  • Barometer: 29.95 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Extreme Heat Warning
 - SEE ALL NEARBY ALERTS -

Extreme Heat Warning

Issued by the National Weather Service - Boston / Norton, MA

    EXTREME HEAT WARNING  

Central Middlesex County, MA; Southeast Middlesex County, MA; Eastern Franklin, MA; Northern Worcester, MA; Western Essex, MA; Eastern Essex, MA; Eastern Hampshire, MA; Eastern Hampden, MA; Southern Worcester, MA; Western Norfolk, MA; Suffolk, MA; Eastern Norfolk, MA; Northern Bristol, MA; Western Plymouth, MA; Eastern Plymouth, MA; Northwest Middlesex County, MA

Extreme Heat Warning issued June 30 at 1:25PM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA

EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM EDT SATURDAY

Areas Affected: Hartford; Tolland; Windham; Eastern Franklin; Northern Worcester; Central Middlesex County; Western Essex; Eastern Essex; Eastern Hampshire; Eastern Hampden; Southern Worcester; Western Norfolk; Southeast Middlesex; Suffolk; Eastern Norfolk; Northern Bristol; Western Plymouth; Eastern Plymouth; Northwest Middlesex County; Northwest Providence; Southeast Providence; Western Kent; Eastern Kent

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Tuesday 1:25pm EDT

Alert Effective: Tuesday 1:25pm EDT

Alert Expires: Wednesday 5:30am EDT (expect updated alert by this time)

Event Onset: Wednesday 10:00am EDT

Event Ends: Saturday 8:00pm EDT

Issued by: NWS Boston/Norton MA

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM EDT SATURDAY...

* WHAT...Dangerously hot conditions with heat index values up to 112
expected.

* WHERE...Portions of northern Connecticut, all of Massachusetts
east of the Connecticut River, except for the South Coast and
northern Rhode Island.

* WHEN...From 10 AM Wednesday to 8 PM EDT Saturday.

* 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.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.253c8e19037afaada83a1c0ba1a6c8d593aa6956.002.1
Codes: MAZ003, MAZ004, MAZ005, MAZ006, MAZ007, MAZ010, MAZ011, MAZ012, MAZ013, MAZ014, MAZ015, MAZ016, MAZ017, MAZ018, MAZ019, MAZ026
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.253c8e19037afaada83a1c0ba1a6c8d593aa6956.002.1