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

44°F

7°C

Humidity 43%
Wind Speed N 12 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 03 Apr 11:00 AM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. North wind 11 to 13 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. North wind 5 to 8 mph becoming calm  after midnight.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind becoming east 5 to 8 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. North wind around 6 mph becoming southwest after midnight.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. Light and variable wind becoming north northeast around 6 mph in the morning.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

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

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. North wind 11 to 13 mph.
Tonight
Mostly clear, with a low around 49. North wind 5 to 8 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming east 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 58. North wind around 6 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 76. Light and variable wind becoming north northeast around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of rain and thunderstorms. Partly sunny, with a high near 66.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 53.
Thursday
A slight chance of rain. Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.9°N 121.9°W (Elev. 1814 ft)
11:26 am PDT Apr 3, 2026
12pm 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