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

NWS Sacramento Changes to Public and Fire Weather Zones Coming April 16, 2026

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Current conditions at

STONYFORD (SYWC1)

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

NA

53°F

12°C

Humidity 95%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 25 Feb 08:26 PM PST
Extended Forecast for

20 Miles N Clearlake CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. West northwest wind around 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. North northwest wind around 6 mph becoming east northeast in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. West northwest wind 3 to 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. West northwest wind around 6 mph becoming northeast in the afternoon.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. West northwest wind 3 to 6 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 4pm. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 10pm. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. West northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 60. North northwest wind around 6 mph becoming east northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. West northwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 63. West northwest wind around 6 mph becoming northeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 53. West northwest wind 3 to 6 mph.
Saturday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 61.
Saturday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47.
Sunday
A chance of rain, mainly after 4pm. Partly sunny, with a high near 55.
Sunday Night
A chance of rain, mainly before 10pm. Partly cloudy, with a low around 45.
Monday
A slight chance of rain after 10am. Sunny, with a high near 58.
Monday Night
Clear, with a low around 47.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles N Clearlake CA
 39.24°N 122.56°W (Elev. 3199 ft)
Last Update:
1:20 pm PST Feb 25, 2026
Forecast Valid:
9pm PST Feb 25, 2026-6pm PST Mar 4, 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