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

38°F

3°C

Humidity 99%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 10 Nov 04:26 AM PST
Extended Forecast for

23 Miles N Clearlake CA

  • Today

    Today: Sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 61. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Calm wind becoming southeast around 6 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Partly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: Rain likely before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Showers

  • Friday Night

    Friday Night: Rain, mainly before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 65. Light and variable wind.
Tonight
Mostly clear, with a low around 51. Calm wind.
Veterans Day
Mostly sunny, with a high near 61. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 49. Calm wind.
Thursday
Mostly sunny, with a high near 56. Calm wind becoming southeast around 6 mph in the morning.
Thursday Night
Rain likely, mainly after 4am. Partly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
Rain likely before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. High near 49. Chance of precipitation is 80%.
Friday Night
Rain, mainly before 10pm. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 41.
Sunday
Rain likely. Mostly cloudy, with a high near 44.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37.
Monday
A slight chance of rain. Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles N Clearlake CA
 39.3°N 122.64°W (Elev. 3199 ft)
Last Update:
1:00 am PST Nov 10, 2026
Forecast Valid:
5am PST Nov 10, 2026-6pm PST Nov 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation