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Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59.0ft.

Clear

82°F

28°C

Humidity 45%
Wind Speed NNW 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Mar 05:35 PM PDT
Extended Forecast for

Santa Clara CA

Heat Advisory March 18, 05:47pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 05:47pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 58. North northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 48.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
Last Update:
3:12 pm PDT Mar 18, 2026
Forecast Valid:
5pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation