Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. 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 99%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 20 Feb 03:25 AM PST
Extended Forecast for

3 Miles S Clayton CA

  • Today

    Today: Mostly sunny, with a high near 68. Northeast wind around 7 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Northeast wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. East northeast wind around 7 mph becoming west northwest in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. West southwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 68. Northeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 56. Northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 69. East northeast wind around 7 mph becoming west northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. West southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Sunday
Mostly cloudy, with a high near 60. West southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 62.
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)
1:59 am PST Feb 27, 2026
10am PST Feb 27, 2026-6pm PST Mar 5, 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