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

59°F

15°C

Humidity 66%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 27 Feb 03:01 AM PST
Extended Forecast for

2 Miles SSE Lakeport CA

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 10am and 4pm. Partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. Calm wind becoming southwest around 5 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Calm wind becoming west around 6 mph in the afternoon.

    High: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Calm wind.
Friday
Partly sunny, with a high near 72. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 52. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 10am and 4pm. Partly sunny, with a high near 71. Calm wind.
Saturday Night
A 20 percent chance of showers before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. Calm wind becoming southwest around 5 mph.
Sunday
A 30 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Monday
A slight chance of showers. Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 65.
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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 am PST Feb 27, 2026
Forecast Valid:
3am PST Feb 27, 2026-6pm PST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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