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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

40°F

4°C

Humidity 33%
Wind Speed N 9 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 09 Jan 11:50 AM PST
Extended Forecast for

4 Miles ENE Danville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. East northeast wind around 7 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after midnight. Otherwise, mostly clear, with a low around 33. Light east northeast wind.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 53. East northeast wind around 6 mph.

    High: 53 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 56. Light northeast wind.

    High: 56 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 53. East northeast wind around 7 mph.
Tonight
Patchy frost after midnight. Otherwise, mostly clear, with a low around 33. Light east northeast wind.
Saturday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 53. East northeast wind around 6 mph.
Saturday Night
Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 56. Light northeast wind.
Sunday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
Last Update:
12:26 am PST Jan 9, 2026
Forecast Valid:
12pm PST Jan 9, 2026-6pm PST Jan 15, 2026
 
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Additional Resources

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