National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. 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 92%
Wind Speed SE 6 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 29 Jan 02:53 AM PST
Extended Forecast for

Santa Clara CA

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Light east wind.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. Calm wind.
Friday
Partly sunny, with a high near 69. Calm wind.
Friday Night
Mostly cloudy, with a low around 43. Light east wind.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 71.
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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:
12:26 am PST Jan 29, 2026
Forecast Valid:
3am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation