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

61°F

16°C

Humidity 39%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 04 Apr 01:05 PM PDT
Extended Forecast for

3 Miles S Clayton CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. East northeast wind around 7 mph becoming north.

    High: 72 °F

    Mostly Sunny

  • Tonight

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

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. East wind around 7 mph becoming north in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

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

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am.  Partly sunny, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. East northeast wind around 7 mph becoming north.
Tonight
Partly cloudy, with a low around 58. North wind around 6 mph becoming south southwest after midnight.
Sunday
Sunny, with a high near 76. East wind around 7 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 54. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 69. West wind 10 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 66.
Wednesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 55.
Thursday
A chance of rain. Partly sunny, with a high near 62.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
12:21 pm PDT Apr 4, 2026
1pm PDT Apr 4, 2026-6pm PDT Apr 10, 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