Lexington Weather

Lexington, Massachusetts, USA

73°F
8/27/2026 9:50pm 
  • Lexington Conditions: Clear
  • Temperature: 72.9°F / 22.7°CColder 1.0°F than last hour.
  • Dew Point: 66.7°FIncreased 0.5°Fsince last hour.
  • Relative Humidity: 81%Increased 4.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.96 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Philadelphia/Mt Holly

    FLOOD WARNING  

Flood Warning issued August 27 at 9:09PM EDT until August 28 at 1:15AM EDT by NWS Mount Holly NJ

FLOOD WARNING IN EFFECT UNTIL 115 AM EDT FRIDAY... ...REPLACES FLASH FLOOD WARNING

Areas Affected: Bucks, PA; Chester, PA; Montgomery, PA

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Thursday 9:09pm EDT

Alert Effective: Thursday 9:09pm EDT

Alert Expires: Friday 1:15am EDT

Event Onset: Thursday 9:09pm EDT

Event Ends: Friday 1:15am EDT

Issued by: NWS Mount Holly NJ

Details: 
...FLOOD WARNING IN EFFECT UNTIL 115 AM EDT FRIDAY... ...REPLACES FLASH FLOOD WARNING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...South Central Bucks County in southeastern Pennsylvania...
Northern Chester County in southeastern Pennsylvania...
Central Montgomery County in southeastern Pennsylvania...

* WHEN...Until 115 AM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
- At 907 PM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Flooding is ongoing or expected to begin shortly
in the warned area. Between 3 and 4 inches of rain have fallen.
- Additional rainfall amounts up to 0.5 inches are possible in the
warned area.
- Some locations that will experience flooding include...
Norristown, Phoenixville, Lansdale, West Norriton, East Norriton,
Coatesville, Downingtown, Hatboro, Ambler, Collegeville,
Royersford and Parkesburg.
- http://www.weather.gov/safety/flood

Information: 
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.2225112340819468809af5c5cbcd3e3e2340fb5d.001.1
Codes: PAC017, PAC029, PAC091
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2225112340819468809af5c5cbcd3e3e2340fb5d.001.1

 

    SEVERE THUNDERSTORM WATCH  

Severe Thunderstorm Watch issued August 27 at 7:47PM EDT until August 27 at 10:00PM EDT by NWS Mount Holly NJ

Areas Affected: Kent, DE; New Castle, DE; Berks, PA; Carbon, PA; Chester, PA; Lehigh, PA; Monroe, PA; Northampton, PA

Urgency: Future

Severity: Severe

Certainty: Possible

Alert Sent: Thursday 7:47pm EDT

Alert Effective: Thursday 7:47pm EDT

Alert Expires: Thursday 10:00pm EDT

Event Onset: Thursday 7:47pm EDT

Event Ends: Thursday 10:00pm EDT

Issued by: NWS Mount Holly NJ

Details: 
SEVERE THUNDERSTORM WATCH 630, PREVIOUSLY IN EFFECT UNTIL 8 PM
EDT THIS EVENING, IS NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING
FOR THE FOLLOWING AREAS

IN DELAWARE THIS WATCH INCLUDES 2 COUNTIES

IN CENTRAL DELAWARE

KENT

IN NORTHERN DELAWARE

NEW CASTLE

IN PENNSYLVANIA THIS WATCH INCLUDES 6 COUNTIES

IN EAST CENTRAL PENNSYLVANIA

BERKS                 LEHIGH                NORTHAMPTON

IN NORTHEAST PENNSYLVANIA

CARBON                MONROE

IN SOUTHEAST PENNSYLVANIA

CHESTER

THIS INCLUDES THE CITIES OF ALLENTOWN, BETHLEHEM, DOVER, EASTON,
JIM THORPE, READING, STROUDSBURG, WEST CHESTER, AND WILMINGTON.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.552b3f4ced3a98cdb23f5b00d4e851fea22accc8.003.1
Codes: DEC001, DEC003, PAC011, PAC025, PAC029, PAC077, PAC089, PAC095
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.552b3f4ced3a98cdb23f5b00d4e851fea22accc8.003.1