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Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

54°F

12°C

Humidity 62%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 08 Feb 04:28 AM PST
Extended Forecast for

Bethel Island CA

  • Today

    Today: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 49. West wind 8 to 10 mph.

    Low: 49 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63. North northwest wind 8 to 10 mph.

    High: 63 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Cloudy, with a low around 49. West northwest wind around 6 mph becoming south southeast after midnight.

    Low: 49 °F

    Cloudy

  • Tuesday

    Tuesday: A chance of rain, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 55. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of rain after 1am. Patchy fog before 10pm, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 58. Chance of precipitation is 40%.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain before 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.
Tonight
Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 49. West wind 8 to 10 mph.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63. North northwest wind 8 to 10 mph.
Monday Night
Cloudy, with a low around 49. West northwest wind around 6 mph becoming south southeast after midnight.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 55. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of rain after 1am. Patchy fog before 10pm, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of rain before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 58. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 40.
Friday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Friday Night
A chance of rain. Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 56.
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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:
12:59 am PST Feb 8, 2026
Forecast Valid:
5am PST Feb 8, 2026-6pm PST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation