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

38°F

3°C

Humidity 99%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 10 Nov 04:26 AM PST
Extended Forecast for

20 Miles E Potter Valley CA

  • Today

    Today: Sunny, with a high near 63. West northwest wind around 6 mph becoming calm.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 61. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Light north northeast wind.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. North northeast wind around 9 mph becoming south southeast in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Showers

  • Friday Night

    Friday Night: Rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 63. West northwest wind around 6 mph becoming calm.
Tonight
Mostly clear, with a low around 48. Light and variable wind.
Veterans Day
Mostly sunny, with a high near 61. Northeast wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. Light north northeast wind.
Thursday
Mostly sunny, with a high near 55. North northeast wind around 9 mph becoming south southeast in the afternoon.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
Rain likely before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. High near 46. Chance of precipitation is 80%.
Friday Night
Rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Mostly cloudy, with a high near 44.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39.
Sunday
Rain. Mostly cloudy, with a high near 41.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Monday
A chance of rain and snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Potter Valley CA
 39.3°N 122.76°W (Elev. 4052 ft)
Last Update:
1:00 am PST Nov 10, 2026
Forecast Valid:
4am PST Nov 10, 2026-6pm PST Nov 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation