Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

43°F

6°C

Humidity 81%
Wind Speed S 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 Feb 11:20 PM PST
Extended Forecast for

Santa Clara CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Patchy frost before 2am, then patchy frost after 3am.  Otherwise, increasing clouds, with a steady temperature around 38. Southeast wind around 5 mph.

    Low: 38 °F

    Patchy Frost

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 60 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. South wind around 11 mph, with gusts as high as 18 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 63.

    High: 63 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy frost before 2am, then patchy frost after 3am. Otherwise, increasing clouds, with a steady temperature around 38. Southeast wind around 5 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 44. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 66. South wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44. Light and variable wind.
Monday
A 10 percent chance of rain after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 69.
Monday Night
Rain likely, mainly after 4am. Cloudy, with a low around 52. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 63.
Tuesday Night
Rain likely. Cloudy, with a low around 52.
Wednesday
A chance of rain. Mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Partly sunny, with a high near 70.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Friday
A slight chance of rain. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
2:25 pm PST Feb 20, 2026
11pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
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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