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

45°F

7°C

Humidity 58%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 18 Oct 11:26 PM PDT
Extended Forecast for

20 Miles WNW Williams CA

  • Overnight

    Overnight: Mostly clear, with a low around 43. South southeast wind around 5 mph becoming calm.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 45. North northeast wind around 5 mph becoming light and variable.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly before 11am. Partly sunny, with a high near 68.

    High: 68 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. South southeast wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 68. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Cloudy, with a low around 41. Light and variable wind.
Tuesday
Mostly cloudy, with a high near 66. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Tuesday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 45. North northeast wind around 5 mph becoming light and variable.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 71.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain, mainly before 11am. Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 69.
Saturday Night
A chance of rain. Partly cloudy, with a low around 40.
Sunday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles WNW Williams CA
 39.3°N 122.49°W (Elev. 1253 ft)
Last Update:
11:31 pm PDT Oct 18, 2026
Forecast Valid:
12am PDT Oct 19, 2026-6pm PDT Oct 25, 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