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

4 Miles ENE Danville CA

  • Overnight

    Overnight: Mostly clear, with a low around 43. North wind 3 to 5 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. West southwest wind 5 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 48. West southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
1:26 pm PDT Mar 10, 2026
1am 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