Lexington Weather

Lexington, Massachusetts, USA

70°F
8/28/2026 5:43am 
  • Lexington Conditions: Overcast
  • Temperature: 70.3°F / 21.3°CColder 0.2°F than last hour.
  • Dew Point: 68.5°FIncreased 0.1°Fsince last hour.
  • Relative Humidity: 94%Increased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.91 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Heat Advisory

Issued by the National Weather Service - San Juan, PR

    HEAT ADVISORY  

Heat Advisory issued August 28 at 1:43AM AST until August 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: Friday 1:43am AST

Alert Effective: Friday 1:43am AST

Alert Expires: Friday 12:00pm AST (expect updated alert by this time)

Event Onset: Friday 10:00am AST

Event Ends: Friday 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: 
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.

Monitor the latest forecasts and warnings for updates.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.4d450c2b5a27efc185a9844d410cfdb7b8a34365.001.1
Codes: PRZ001, PRZ002, PRZ003, PRZ004, PRZ005, PRZ007, PRZ008, PRZ010, PRZ011, PRZ012, PRZ013, VIZ001, VIZ002
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4d450c2b5a27efc185a9844d410cfdb7b8a34365.001.1