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

59°F

15°C

Humidity 36%
Wind Speed E 6 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 05 Apr 06:00 AM PDT
Extended Forecast for

4 Miles S Clayton CA

  • Today

    Today: Mostly sunny, with a high near 74. East wind around 7 mph becoming west in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64. West southwest wind around 14 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. West southwest wind around 17 mph, with gusts as high as 31 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. West southwest wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain, mainly after 11am.  Partly sunny, with a high near 61.

    High: 61 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 74. East wind around 7 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 53. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 64. West southwest wind around 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 49. West southwest wind around 17 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 62. West southwest wind 11 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 56.
Thursday
A chance of rain, mainly after 11am. Partly sunny, with a high near 61.
Thursday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 52.
Friday
A chance of rain. Partly sunny, with a high near 61.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
1:46 am PDT Apr 5, 2026
7am PDT Apr 5, 2026-6pm PDT Apr 11, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database