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Current conditions at

STONYFORD (SYWC1)

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

NA

41°F

5°C

Humidity 86%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 22 Jan 01:26 AM PST
Extended Forecast for

20 Miles N Clearlake CA

  • Overnight

    Overnight: A 20 percent chance of rain after 3am.  Mostly cloudy, with a low around 46. Northwest wind around 6 mph.

    Low: 46 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 55. North northwest wind around 6 mph becoming east in the afternoon.

    High: 55 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North northwest wind 3 to 6 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. North northeast wind 6 to 9 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 41. North wind 11 to 18 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 46. Northwest wind around 6 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 55. North northwest wind around 6 mph becoming east in the afternoon.
Thursday Night
Mostly clear, with a low around 42. North northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 52. North northeast wind 6 to 9 mph.
Friday Night
Clear, with a low around 41. North wind 11 to 18 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles N Clearlake CA
 39.24°N 122.56°W (Elev. 3199 ft)
1:21 am PST Jan 22, 2026
2am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database