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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

70°F

21°C

Humidity 56%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 31 Jul 09:35 AM PDT
Extended Forecast for

Santa Clara CA

  • Today

    Today: Sunny, with a high near 87. Light north northeast wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West southwest wind 7 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. West northwest wind 3 to 8 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Light north northeast wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 58. North northwest wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny, with a high near 89. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60. West southwest wind 7 to 10 mph.
Sunday
Sunny, with a high near 90. West northwest wind 3 to 8 mph.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 91.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 87.
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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:
1:26 am PDT Jul 31, 2026
Forecast Valid:
9am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation