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

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

83°F

28°C

Humidity 17%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Heat Index80°F (27°C)
Last update 17 Oct 05:26 PM PDT
Extended Forecast for

22 Miles E Potter Valley CA

  • Tonight

    Tonight: Clear, with a low around 55. West wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy smoke between 8pm and 9pm. Mostly clear, with a low around 43. West wind around 6 mph.

    Low: 43 °F

    Patchy Smoke
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 54. West wind around 6 mph becoming calm in the morning.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain after 11am. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Patchy smoke between 8pm and 9pm. Mostly clear, with a low around 43. West wind around 6 mph.
Monday
Mostly sunny, with a high near 54. West wind around 6 mph becoming calm in the morning.
Monday Night
Mostly cloudy, with a low around 42. Calm wind.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 55.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain after 11am. Partly sunny, with a high near 60.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 43.
Saturday
A slight chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles E Potter Valley CA
 39.31°N 122.7°W (Elev. 4029 ft)
Last Update:
2:01 pm PDT Oct 17, 2026
Forecast Valid:
6pm PDT Oct 17, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation