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

64°F

18°C

Humidity 65%
Wind Speed W 7 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 27 Feb 04:01 PM PST
Extended Forecast for

2 Miles SSE Lakeport CA

  • Tonight

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

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 71. Calm wind. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 48. Calm wind becoming southwest around 5 mph.

    Low: 48 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 62 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43. Light west northwest wind.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain. Mostly sunny, with a high near 63. Light west wind.

    High: 63 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 4am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. Calm wind.
Saturday
A slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 71. Calm wind. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 48. Calm wind becoming southwest around 5 mph.
Sunday
A 20 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43. Light west northwest wind.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 63. Light west wind.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
A chance of rain after 4am. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain, mainly before 10am. Partly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Lakeport CA
 39.01°N 122.91°W (Elev. 1391 ft)
Last Update:
1:10 pm PST Feb 27, 2026
Forecast Valid:
4pm PST Feb 27, 2026-6pm PST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation