Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern Plains. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

42°F

6°C

Humidity 44%
Wind Speed N 18 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 03 Apr 10:00 AM PDT
Extended Forecast for

3 Miles S Clayton CA

  • Today

    Today: Sunny, with a high near 66. North northeast wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. North northeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Light east wind becoming northeast 5 to 9 mph in the morning.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. North wind around 6 mph becoming light and variable  after midnight.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. North northeast wind 3 to 6 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. North northeast wind 10 to 16 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 52. North northeast wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny, with a high near 73. Light east wind becoming northeast 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 56. North wind around 6 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 76. North northeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 68.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Wednesday
A chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
1:25 am PDT Apr 3, 2026
10am PDT Apr 3, 2026-6pm PDT Apr 9, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database