Lexington Weather

Lexington, Massachusetts, USA

71°F
6/10/2026 9:06am 
  • Lexington Conditions: Clear
  • Temperature: 71.1°F / 21.7°CWarmer 4.4°F than last hour.
  • Dew Point: 63.1°FIncreased 3.0°Fsince last hour.
  • Relative Humidity: 76%Decreased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.86 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - San Francisco Bay Area, CA

    HEAT ADVISORY  

Santa Clara Valley Including San Jose, CA

Heat Advisory issued June 10 at 5:54AM PDT until June 11 at 11:00PM PDT by NWS San Francisco CA

HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 11 PM PDT THURSDAY

Areas Affected: Sonoma Coastal Range; North Bay Interior Mountains; North Bay Interior Valleys; San Francisco Bay Shoreline; East Bay Interior Valleys; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Wednesday 5:54am PDT

Alert Effective: Wednesday 5:54am PDT

Alert Expires: Wednesday 2:00pm PDT (expect updated alert by this time)

Event Onset: Thursday 12:00pm PDT

Event Ends: Thursday 11:00pm PDT

Issued by: NWS San Francisco CA

Details: 
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 11 PM PDT THURSDAY...

* WHAT...High temperatures between 90 and 103 for interior valleys
and higher elevations. High temperatures between 85 and 96 degrees
for the Bay Shoreline.

* WHERE...The East Bay and San Francisco Bay Shoreline, North Bay
Interior Mountains and Valleys, and The Santa Clara Valley and
Eastern Hills.

* WHEN...From noon to 11 PM PDT Thursday.

* IMPACTS...This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health systems and in
heat-sensitive industries.

Information: 
Hydration is a critical piece to surviving the heat. Drink water, and
if possible, take water to those who are vulnerable.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.

Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles. Car interiors will reach lethal
temperatures in a matter of minutes.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.9194a49a93f20dfee3e8948733202c81b1c9a88c.001.1
Codes: CAZ503, CAZ504, CAZ506, CAZ508, CAZ510, CAZ513, CAZ514, CAZ515
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9194a49a93f20dfee3e8948733202c81b1c9a88c.001.1