Lexington Weather

Lexington, Massachusetts, USA

91°F
7/1/2026 2:12pm 
  • Lexington Conditions: Partly cloudy
  • Temperature: 91.0°F / 32.8°CWarmer 0.5°F than last hour.
  • Dew Point: 73.8°FDecreased 0.3°Fsince last hour.
  • Feels Like: 100.4°F
  • Relative Humidity: 57%Decreased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.86 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Extreme Heat Warning - Air Quality Alert - Air Quality Alert
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

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

    EXTREME HEAT WARNING  

Southeast Middlesex County, MA

Extreme Heat Warning issued July 1 at 3:14AM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA

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

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

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Wednesday 3:14am EDT

Alert Effective: Wednesday 3:14am EDT

Alert Expires: Wednesday 4:15pm 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 THIS MORNING TO 8 PM EDT SATURDAY...

* WHAT...Dangerously hot conditions with heat index values 98 to 115
expected. The worst of this heat and humidity will be Thursday and
Friday.

* WHERE...All of southern New England except the Cape and Islands.

* WHEN...From 10 AM this morning to 8 PM EDT Saturday.

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

* ADDITIONAL DETAILS...This is a prolonged and dangerous heatwave
with little relief at night.

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.a1be0d82931aa1f183bdc341641ac74d311e4aac.001.1
Codes: CTZ002, CTZ003, CTZ004, MAZ002, MAZ003, MAZ004, MAZ005, MAZ006, MAZ007, MAZ008, MAZ009, MAZ010, MAZ011, MAZ012, MAZ013, MAZ014, MAZ015, MAZ016, MAZ017, MAZ018, MAZ019, MAZ020, MAZ021, MAZ026, RIZ001, RIZ002, RIZ003, RIZ004, RIZ005, RIZ006, RIZ007
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a1be0d82931aa1f183bdc341641ac74d311e4aac.001.1