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

Rain Providing Some Relief to Drought-Stricken Southern U.S.

A storm tracking across the southern U.S. will continue to bring areas of heavy thunderstorms with risks for severe weather and excessive rainfall from Texas to Florida through this weekend. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

68°F

20°C

Humidity 47%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 01 May 12:35 PM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. Southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. South southwest wind 14 to 16 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a steady temperature around 53. Southwest wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. West southwest wind around 16 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56. West southwest wind around 15 mph, with gusts as high as 28 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. Southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 50. South southwest wind 14 to 16 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a steady temperature around 53. Southwest wind 14 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 47. West southwest wind around 16 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 56. West southwest wind around 15 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 55.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
Last Update:
1:26 pm PDT May 1, 2026
Forecast Valid:
1pm PDT May 1, 2026-6pm PDT May 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation