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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

72°F

22°C

Humidity 60%
Wind Speed WNW 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 07:20 PM PDT
Extended Forecast for

Milpitas CA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 77. Light west northwest wind becoming northwest 8 to 13 mph in the morning. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Northwest wind 5 to 9 mph becoming light north northwest after midnight.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.
Friday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 77. Light west northwest wind becoming northwest 8 to 13 mph in the morning. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 58. Northwest wind 5 to 9 mph becoming light north northwest after midnight.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A slight chance of showers after 11am. Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 74.
Tuesday Night
A slight chance of showers. Patchy fog. Otherwise, partly cloudy, with a low around 56.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 58.
Thursday
A slight chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Milpitas CA
 37.42°N 121.89°W (Elev. 56 ft)
Last Update:
1:42 pm PDT Aug 27, 2026
Forecast Valid:
7pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation