Lexington Weather

Lexington, Massachusetts, USA

70°F
7/30/2026 2:08pm 
  • Lexington Conditions: Overcast
  • Temperature: 70.3°F / 21.3°CWarmer 1.9°F than last hour.
  • Dew Point: 68.2°FIncreased 1.1°Fsince last hour.
  • Relative Humidity: 93%Decreased 3.0% since last hour.
  • Wind: Wind from NNE NNE 1 mph, 10-min avg: 1 mph, gust: 4 mph
  • Barometer: 29.72 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.38 in
  •   

Extreme Heat Warning

Issued by the National Weather Service - San Juan, PR

    EXTREME HEAT WARNING  

Extreme Heat Warning issued July 30 at 10:04AM AST until July 30 at 5:00PM AST by NWS San Juan PR

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 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: Severe

Certainty: Likely

Alert Sent: Thursday 10:04am AST

Alert Effective: Thursday 10:04am AST

Alert Expires: Thursday 5:00pm AST

Event Onset: Thursday 10:04am AST

Event Ends: Thursday 5:00pm AST

Issued by: NWS San Juan PR

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

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

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

* WHEN...Until 5 PM AST this afternoon.

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

Information: 
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.

Stay cool, stay hydrated, stay informed.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.a2718e459b2d3a0b2b1d8857f093ecaa1bc924dd.001.1
Codes: PRZ001, PRZ002, PRZ003, PRZ004, PRZ005, PRZ007, PRZ008, PRZ010, PRZ011, PRZ012, PRZ013, VIZ001, VIZ002
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a2718e459b2d3a0b2b1d8857f093ecaa1bc924dd.001.1