National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

51°F

11°C

Humidity 77%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 26 Feb 12:01 AM PST
Extended Forecast for

10 Miles NNW Lakeport CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Northwest wind 5 to 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after 10am. Partly sunny, with a high near 67. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of rain after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 46. Northwest wind 5 to 7 mph.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 73. Calm wind.
Friday Night
Mostly cloudy, with a low around 50. Light and variable wind.
Saturday
A 40 percent chance of rain, mainly after 10am. Partly sunny, with a high near 67. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44.
Sunday
A chance of rain after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 63.
Sunday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.
Monday
A slight chance of rain after 10am. Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A slight chance of rain. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
10:02 pm PST Feb 25, 2026
Forecast Valid:
1am PST Feb 26, 2026-6pm PST Mar 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation