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

59°F

15°C

Humidity 60%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 02 Sep 01:26 AM PDT
Extended Forecast for

22 Miles E Potter Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. West southwest wind 3 to 8 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain. Partly sunny, with a high near 59. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 52. West southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain Likely

  • Thursday

    Thursday: Rain. High near 56. West southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 47. West wind 6 to 10 mph.

    Low: 47 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. West southwest wind 3 to 8 mph.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 59. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 52. West southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 56. West southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 47. West wind 6 to 10 mph.
Friday
Sunny, with a high near 61.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 66.
Saturday Night
Clear, with a low around 53.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 53.
Labor Day
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 75.
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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:
2:00 am PDT Sep 2, 2026
Forecast Valid:
2am PDT Sep 2, 2026-6pm PDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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