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

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

48°F

9°C

Humidity 58%
Wind Speed W 14 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 15 Apr 06:10 PM PDT
Extended Forecast for

4 Miles ENE Danville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 41. West wind 6 to 13 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. North wind 9 to 15 mph, with gusts as high as 31 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. North wind 8 to 14 mph, with gusts as high as 31 mph.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. North wind 7 to 11 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 11am. Partly sunny, with a high near 71.

    High: 71 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. West wind 6 to 13 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 67. North wind 9 to 15 mph, with gusts as high as 31 mph.
Thursday Night
Clear, with a low around 43. North wind 8 to 14 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 72. North wind 7 to 11 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of rain, mainly after 11am. Partly sunny, with a high near 71.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 66.
Monday Night
A chance of rain. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
Last Update:
2:41 pm PDT Apr 15, 2026
Forecast Valid:
7pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation