Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

56°F

13°C

Humidity 90%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 01 Oct 05:10 PM PDT
Extended Forecast for

5 Miles ENE Danville CA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Mostly cloudy, with a steady temperature around 64. West southwest wind around 9 mph.

    High: 64 °F

    Chance Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 1am.  Mostly cloudy, with a low around 59. Southwest wind around 7 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 66. West wind 7 to 10 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. West wind 5 to 11 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69. West wind 5 to 8 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

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

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 64. West southwest wind around 9 mph.
Tonight
A 40 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 59. Southwest wind around 7 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Partly sunny, with a high near 66. West wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 55. West wind 5 to 11 mph.
Friday
Sunny, with a high near 69. West wind 5 to 8 mph.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Danville CA
 37.85°N 121.91°W (Elev. 1601 ft)
2:28 pm PDT Oct 1, 2025
5pm PDT Oct 1, 2025-6pm PDT Oct 8, 2025
 
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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