Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

N/A

Humidity 28%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 17 May 05:05 PM PDT
Extended Forecast for

4 Miles SW Clayton CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. West southwest wind 8 to 10 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. South southwest wind around 10 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. West southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

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

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 85. West southwest wind 8 to 10 mph.
Tuesday Night
Mostly clear, with a low around 53. South southwest wind around 10 mph.
Wednesday
Sunny, with a high near 86. West southwest wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 54. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Clayton CA
 37.91°N 121.98°W (Elev. 400 ft)
9:31 pm PDT Jun 22, 2026
9pm PDT Jun 22, 2026-6pm PDT Jun 29, 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