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

61°F

16°C

Humidity 52%
Wind Speed NW 10 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 28 Feb 05:01 AM PST
Extended Forecast for

5 Miles SW Lakeport CA

  • Today

    Today: Isolated showers and thunderstorms after 10am. Mostly cloudy, with a high near 66. Calm wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 66 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Cloudy, with a low around 49. West southwest wind around 8 mph.

    Low: 49 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 55. West southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Isolated
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 46. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of rain before 10am. Mostly sunny, with a high near 56. Northwest wind around 6 mph.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. North northwest wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Isolated showers and thunderstorms after 10am. Mostly cloudy, with a high near 66. Calm wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tonight
Cloudy, with a low around 49. West southwest wind around 8 mph.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 55. West southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 46. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 56. Northwest wind around 6 mph.
Monday Night
Partly cloudy, with a low around 46. North northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 61.
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Forecast Area
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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 28, 2026
Forecast Valid:
5am PST Feb 28, 2026-6pm PST Mar 6, 2026
 
Forecast Discussion
 
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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