Lexington Weather

Lexington, Massachusetts, USA

73°F
5/19/2026 11:53pm 
  • Lexington Conditions: Clear
  • Temperature: 72.7°F / 22.6°CColder 0.5°F than last hour.
  • Dew Point: 70.0°FDecreased 0.5°Fsince last hour.
  • Relative Humidity: 91% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.84 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.08 in
  •   
Southeast Middlesex County, MA - Heat Advisory
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

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

    HEAT ADVISORY  

Southeast Middlesex County, MA

Heat Advisory issued May 19 at 2:02PM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT WEDNESDAY

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: Moderate

Certainty: Likely

Alert Sent: Tuesday 2:02pm EDT

Alert Effective: Tuesday 2:02pm EDT

Alert Expires: Wednesday 6:00am EDT (expect updated alert by this time)

Event Onset: Tuesday 2:02pm EDT

Event Ends: Wednesday 8:00pm EDT

Issued by: NWS Boston/Norton MA

Details: 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

* WHAT...Heat index values up to 96.

* WHERE...Portions of northern Connecticut, central, eastern,
northeastern, southeastern, and western Massachusetts, and
northern Rhode Island.

* WHEN...Until 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

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.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.7c5139f0372039d45cfed350fd96502153a22cad.001.1
Codes: CTZ002, CTZ003, CTZ004, MAZ003, MAZ004, MAZ005, MAZ006, MAZ007, MAZ010, MAZ011, MAZ012, MAZ013, MAZ014, MAZ015, MAZ016, MAZ017, MAZ018, MAZ019, MAZ026, RIZ001, RIZ002, RIZ003, RIZ004
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7c5139f0372039d45cfed350fd96502153a22cad.001.1