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

69°F

21°C

Humidity 58%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 01 Sep 01:26 PM PDT
Extended Forecast for

21 Miles NNE Lakeport CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 60. Southwest wind around 7 mph.

    High: 60 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain before 11pm, then a chance of rain after 5am. Partly cloudy, with a low around 49. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 11am, then a chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. Light west southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 52. West southwest wind 10 to 15 mph, with gusts as high as 26 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 57. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 60. Southwest wind around 7 mph.
Tonight
A chance of rain before 11pm, then a chance of rain after 5am. Partly cloudy, with a low around 49. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain before 11am, then a chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. Light west southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 52. West southwest wind 10 to 15 mph, with gusts as high as 26 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely. Mostly cloudy, with a high near 57. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 61.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 53.
Labor Day
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNE Lakeport CA
 39.31°N 122.7°W (Elev. 4029 ft)
Last Update:
2:01 pm PDT Sep 1, 2026
Forecast Valid:
2pm PDT Sep 1, 2026-6pm PDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation