Lexington Weather

Lexington, Massachusetts, USA

70°F
5/20/2026 5:35am 
  • Lexington Conditions: Clear
  • Temperature: 70.0°F / 21.1°CColder 0.2°F than last hour.
  • Dew Point: 66.6°FDecreased 0.9°Fsince last hour.
  • Relative Humidity: 89%Decreased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.81 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Heat Advisory
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - Chicago, IL

    SMALL CRAFT ADVISORY  

Wilmette Harbor to Northerly Island IL

Small Craft Advisory issued May 20 at 3:29AM CDT until May 21 at 1:00PM CDT by NWS Chicago IL

SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 1 PM CDT THURSDAY

Areas Affected: Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL

Urgency: Expected

Severity: Minor

Certainty: Likely

Alert Sent: Wednesday 3:29am CDT

Alert Effective: Wednesday 3:29am CDT

Alert Expires: Wednesday 11:30am CDT (expect updated alert by this time)

Event Onset: Wednesday 10:00am CDT

Event Ends: Thursday 1:00pm CDT

Issued by: NWS Chicago IL

Details: 
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 1 PM CDT THURSDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft
occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 10 AM this morning to 1 PM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

Information: 
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.2c864f4d64eab6888735bca39253cb66b1c25e43.001.1
Codes: LMZ740, LMZ741, LMZ742
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2c864f4d64eab6888735bca39253cb66b1c25e43.001.1