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

57°F

14°C

Humidity 61%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 14 Nov 12:26 PM PST
Extended Forecast for

20 Miles NNE Lakeport CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 41. South southwest wind around 7 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 3am. Patchy fog before 8pm. Otherwise, cloudy, with a low around 40. South southwest wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Patchy Fog
    then Chance
    Rain

  • Sunday

    Sunday: Rain, mainly before 3pm. Patchy fog before 9am. Temperature falling to around 39 by 5pm. Breezy, with a south wind 18 to 23 mph becoming light and variable in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 43 °F⇓

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 34. West wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Partly
    Cloudy

  • Monday

    Monday: Areas of frost after 5pm. Otherwise, mostly sunny, with a high near 40. West wind 5 to 10 mph becoming light west southwest in the morning.

    High: 40 °F

    Mostly Sunny
    then Areas
    Frost

  • Monday Night

    Monday Night: Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Frost

  • Tuesday

    Tuesday: A 30 percent chance of snow after 4pm. Sunny, with a high near 39. Little or no snow accumulation expected.

    High: 39 °F

    Sunny then
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 10pm, then rain and snow. Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain and snow. Cloudy, with a high near 37. Breezy.

    High: 37 °F

    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 41. South southwest wind around 7 mph.
Tonight
A 30 percent chance of rain, mainly after 3am. Patchy fog before 8pm. Otherwise, cloudy, with a low around 40. South southwest wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 3pm. Patchy fog before 9am. Temperature falling to around 39 by 5pm. Breezy, with a south wind 18 to 23 mph becoming light and variable in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 34. West wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Areas of frost after 5pm. Otherwise, mostly sunny, with a high near 40. West wind 5 to 10 mph becoming light west southwest in the morning.
Monday Night
Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 30.
Tuesday
A 30 percent chance of snow after 4pm. Sunny, with a high near 39. Little or no snow accumulation expected.
Tuesday Night
A chance of snow before 10pm, then rain and snow. Mostly cloudy, with a low around 33. Breezy.
Wednesday
Rain and snow. Cloudy, with a high near 37. Breezy.
Wednesday Night
Snow. Mostly cloudy, with a low around 32.
Thursday
Rain and snow. Mostly cloudy, with a high near 34.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNE Lakeport CA
 39.28°N 122.72°W (Elev. 5381 ft)
Last Update:
11:01 am PST Nov 14, 2026
Forecast Valid:
12pm PST Nov 14, 2026-6pm PST Nov 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation