Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

64°F

18°C

Humidity 66%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 29 Sep 05:28 PM PDT
Extended Forecast for

3 Miles SSE Pittsburg CA

  • Tonight

    Tonight: A 30 percent chance of rain.  Mostly cloudy, with a low around 62. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am.  Mostly sunny, with a high near 76. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 76 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 63. West wind 6 to 11 mph becoming light west southwest  after midnight. Winds could gust as high as 18 mph.

    Low: 63 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 71. West southwest wind 5 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 62. West wind 6 to 8 mph.

    Low: 62 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of rain. Mostly cloudy, with a low around 62. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Tuesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 76. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 63. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 71. West southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 62. West wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 80.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 77.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Pittsburg CA
 37.97°N 121.86°W (Elev. 692 ft)
1:26 pm PDT Sep 29, 2025
6pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database