Lexington Weather

Lexington, Massachusetts, USA

79°F
7/15/2026 12:28am 
  • Lexington Conditions: Clear
  • Temperature: 78.6°F / 25.9°CColder 1.5°F than last hour.
  • Dew Point: 71.2°FDecreased 0.6°Fsince last hour.
  • Relative Humidity: 78%Increased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.71 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Heat Advisory

Issued by the National Weather Service - Baltimore/Washington

    HEAT ADVISORY  

Frederick, MD; Carroll, MD; Northern Baltimore, MD; Cecil, MD; Southern Baltimore, MD; Prince Georges, MD; Anne Arundel, MD; Charles, MD; St. Marys, MD; Calvert, MD; Northwest Montgomery, MD; Central and Southeast Montgomery, MD; Northwest Howard, MD; Central and Southeast Howard, MD; Northwest Harford, MD; Southeast Harford, MD

Heat Advisory issued July 14 at 6:45PM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC

HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT WEDNESDAY

Areas Affected: District of Columbia; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; St. Marys; Calvert; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Rappahannock; Culpeper; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; King George; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Tuesday 6:45pm EDT

Alert Effective: Tuesday 6:45pm EDT

Alert Expires: Wednesday 2:45am EDT (expect updated alert by this time)

Event Onset: Wednesday 11:00am EDT

Event Ends: Wednesday 8:00pm EDT

Issued by: NWS Baltimore MD/Washington DC

Details: 
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT WEDNESDAY...

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.

* WHEN...From 11 AM to 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.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.bb8a0e74adeb7d58330c76f269c7ddef14110ebe.001.1
Codes: MDZ004, MDZ005, MDZ006, MDZ008, MDZ011, MDZ013, MDZ014, MDZ016, MDZ017, MDZ018, MDZ503, MDZ504, MDZ505, MDZ506, MDZ507, MDZ508
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bb8a0e74adeb7d58330c76f269c7ddef14110ebe.001.1