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 67%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 27 Feb 01:01 AM PST
Extended Forecast for

5 Miles SW Lakeport CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. North northwest wind around 6 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67. North wind around 6 mph becoming light and variable.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 58. Northeast wind around 6 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 65. North northeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 50. West wind around 7 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 10am. Partly sunny, with a high near 56. West wind 6 to 8 mph.

    High: 56 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. North northwest wind around 6 mph.
Friday
Partly sunny, with a high near 67. North wind around 6 mph becoming light and variable.
Friday Night
A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 58. Northeast wind around 6 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 65. North northeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 50. West wind around 7 mph.
Sunday
A 30 percent chance of showers after 10am. Partly sunny, with a high near 56. West wind 6 to 8 mph.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of showers. Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 55.
Wednesday Night
A slight chance of rain. Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
Last Update:
1:10 am PST Feb 27, 2026
Forecast Valid:
1am 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