Showers and Thunderstorms for the East; Cooler Temperatures Return Sunday into Early Week

Showers and thunderstorms will accompany a cold front that will move across the eastern third of the country through Sunday. In the wake of this front, cooler temperatures will follow for most areas east of the Rockies. A wet pattern is expected to unfold across most of Florida this week with a persistent onshore flow and increase rip currents. For Hawaii, a return toward more rain the week ahead. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

64°F

18°C

Humidity 34%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 05 Apr 01:20 PM PDT
Extended Forecast for

Clayton CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. North wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West northwest wind 6 to 9 mph becoming southwest in the evening.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 71. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 11am.  Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. North wind around 6 mph.
Tonight
Partly cloudy, with a low around 54. West northwest wind 6 to 9 mph becoming southwest in the evening.
Monday
Sunny, with a high near 71. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 50. Southwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 70. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
A chance of rain after 11am. Partly sunny, with a high near 69.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 56.
Friday
Rain likely. Partly sunny, with a high near 67.
Friday Night
A chance of rain. Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton CA
 37.91°N 121.96°W (Elev. 1299 ft)
1:26 pm PDT Apr 5, 2026
2pm PDT Apr 5, 2026-6pm PDT Apr 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database