National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

48°F

9°C

Humidity 78%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 07 Dec 12:28 AM PST
Extended Forecast for

Bethel Island CA

  • Overnight

    Overnight: Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 43. Southeast wind 3 to 5 mph.

    Low: 43 °F

    Dense Fog

  • Sunday

    Sunday: Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 53. Light and variable wind.

    High: 53 °F

    Dense Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. North northwest wind 3 to 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 56. Light north wind.

    High: 56 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 43. Southeast wind 3 to 5 mph.
Sunday
Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 53. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 44. North northwest wind 3 to 6 mph.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 56. Light north wind.
Monday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44. Light and variable wind.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
Last Update:
12:26 am PST Dec 7, 2025
Forecast Valid:
1am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation