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

44°F

7°C

Humidity 88%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 21 Mar 05:26 AM PDT
Extended Forecast for

20 Miles N Clearlake CA

  • Today

    Today: Sunny, with a high near 74. West northwest wind 6 to 13 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West northwest wind 10 to 14 mph becoming north in the evening. Winds could gust as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. North northwest wind 10 to 14 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South wind 7 to 9 mph becoming west northwest after midnight.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. West northwest wind 6 to 10 mph becoming east in the morning.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. West northwest wind 6 to 13 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 56. West northwest wind 10 to 14 mph becoming north in the evening. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 71. North northwest wind 10 to 14 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind 7 to 9 mph becoming west northwest after midnight.
Monday
Sunny, with a high near 70. West northwest wind 6 to 10 mph becoming east in the morning.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 70.
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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:
2:20 am PDT Mar 21, 2026
Forecast Valid:
6am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation