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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Mostly Cloudy

64°F

18°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Mar 12:53 PM PDT
Extended Forecast for

Santa Clara CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. North northwest wind 6 to 10 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Patchy fog between 3am and 4am. Otherwise, mostly clear, with a low around 43. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 76. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. North northwest wind 6 to 10 mph.
Tonight
Patchy fog between 3am and 4am. Otherwise, mostly clear, with a low around 43. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 76. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50.
Friday
Partly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 90.
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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:
12:27 pm PDT Mar 10, 2026
Forecast Valid:
1pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation