Lexington Weather

Lexington, Massachusetts, USA

77°F
7/15/2026 1:43am 
  • Lexington Conditions: Overcast
  • Temperature: 77.4°F / 25.2°CColder 1.0°F than last hour.
  • Dew Point: 71.1°FDecreased 0.3°Fsince last hour.
  • Relative Humidity: 81%Increased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 3 mph
  • Barometer: 29.67 inFalling 0.03 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Baltimore/Washington

    HEAT ADVISORY  

Frederick, MD

Heat Advisory issued July 15 at 12:49AM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC

HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING

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: Wednesday 12:49am EDT

Alert Effective: Wednesday 12:49am EDT

Alert Expires: Wednesday 9:00am 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 THIS MORNING TO 8 PM EDT THIS EVENING...

* 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 this morning to 8 PM EDT this evening.

* 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:2.49.0.1.840.0.4d96d4e6f8ae4d15770d080be12944830a78f65c.001.1
Codes: DCZ001, MDZ004, MDZ005, MDZ006, MDZ008, MDZ011, MDZ013, MDZ014, MDZ016, MDZ017, MDZ018, MDZ503, MDZ504, MDZ505, MDZ506, MDZ507, MDZ508, VAZ040, VAZ051, VAZ053, VAZ054, VAZ055, VAZ056, VAZ057, VAZ501, VAZ502, VAZ505, VAZ506, VAZ526, VAZ527
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4d96d4e6f8ae4d15770d080be12944830a78f65c.001.1