Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

55°F

13°C

Humidity 25%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 10 Mar 11:35 PM PDT
Extended Forecast for

7 Miles SSW Brentwood CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 50. West northwest wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. North northwest wind 5 to 7 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. West wind 3 to 6 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light and variable wind becoming north northwest around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming west southwest in the evening.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 50. West northwest wind around 6 mph.
Wednesday
Sunny, with a high near 73. North northwest wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 52. West wind 3 to 6 mph.
Thursday
Sunny, with a high near 78. Light and variable wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming west southwest in the evening.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Brentwood CA
 37.83°N 121.74°W (Elev. 932 ft)
2:53 am PDT Mar 11, 2026
3am PDT Mar 11, 2026-6pm PDT Mar 17, 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