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

49°F

9°C

Humidity 67%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 08 Apr 12:26 AM PDT
Extended Forecast for

20 Miles N Clearlake CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. West northwest wind 7 to 9 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 68. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 68 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West southwest wind 6 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 61. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 47. West wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 51.

    High: 51 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 53. West northwest wind 7 to 9 mph.
Wednesday
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 68. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 50. West southwest wind 6 to 15 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 61. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 47. West wind 5 to 14 mph, with gusts as high as 21 mph.
Friday
A chance of rain before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 56. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 51.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41.
Sunday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 61.
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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:
11:31 pm PDT Apr 7, 2026
Forecast Valid:
1am PDT Apr 8, 2026-6pm PDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation