Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

54°F

12°C

Humidity 47%
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 09 Mar 10:05 PM PDT
Extended Forecast for

4 Miles S Clayton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 58. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. West wind around 7 mph becoming north in the morning.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. North northwest wind 7 to 9 mph becoming west in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 58. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 45. West wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 74. West wind around 7 mph becoming north in the morning.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind 7 to 9 mph becoming west in the evening.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
8:21 pm PDT Mar 9, 2026
11pm PDT Mar 9, 2026-6pm PDT Mar 16, 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