Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

51°F

11°C

Humidity 33%
Wind Speed N 6 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 11 Mar 10:05 AM PDT
Extended Forecast for

3 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. North wind around 7 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind around 7 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. West southwest wind around 6 mph becoming north in the morning.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. West southwest wind around 8 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. West northwest wind around 7 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. North wind around 7 mph.
Tonight
Mostly clear, with a low around 52. West wind around 7 mph.
Thursday
Sunny, with a high near 77. West southwest wind around 6 mph becoming north in the morning.
Thursday Night
Partly cloudy, with a low around 51. West southwest wind around 8 mph.
Friday
Mostly sunny, with a high near 76. West northwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Clayton CA
 37.9°N 121.9°W (Elev. 1814 ft)
7:55 am PDT Mar 11, 2026
12pm PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database