Lexington Weather

Lexington, Massachusetts, USA

75°F
7/28/2026 9:46am 
  • Lexington Conditions: Overcast
  • Temperature: 74.8°F / 23.8°CWarmer 3.6°F than last hour.
  • Dew Point: 69.3°FIncreased 0.2°Fsince last hour.
  • Relative Humidity: 83%Decreased 10.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 4 mph
  • Barometer: 29.69 inFalling 0.02 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Heat Advisory

Issued by the National Weather Service - San Juan, PR

    HEAT ADVISORY  

San Juan and Vicinity, PR; Northeast, PR; Southeast, PR; Eastern Interior, PR; North Central, PR; Ponce and Vicinity, PR; Northwest, PR; Mayaguez and Vicinity, PR; Southwest, PR; Culebra, PR; Vieques, PR

Heat Advisory issued July 28 at 2:00AM AST until July 28 at 5:00PM AST by NWS San Juan PR

HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST THIS AFTERNOON

Areas Affected: San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Ponce and Vicinity; Northwest; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Islands; St Croix

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Tuesday 2:00am AST

Alert Effective: Tuesday 2:00am AST

Alert Expires: Tuesday 11:30am AST (expect updated alert by this time)

Event Onset: Tuesday 10:00am AST

Event Ends: Tuesday 5:00pm AST

Issued by: NWS San Juan PR

Details: 
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST THIS AFTERNOON...

* WHAT...This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. expected.

* WHERE...Portions of Puerto Rico and Virgin Islands.

* WHEN...From 10 AM this morning to 5 PM AST this afternoon.

* 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:2.49.0.1.840.0.659a2dbd72f1ae5915a6f1f3b6e5b0e8098f8ad5.001.1
Codes: PRZ001, PRZ002, PRZ003, PRZ004, PRZ005, PRZ007, PRZ008, PRZ010, PRZ011, PRZ012, PRZ013
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.659a2dbd72f1ae5915a6f1f3b6e5b0e8098f8ad5.001.1