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 77%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 28 Feb 06:01 PM PST
Extended Forecast for

5 Miles W Lakeport CA

  • Tonight

    Tonight: Cloudy, with a low around 50. West wind around 8 mph.

    Low: 50 °F

    Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 4pm. Mostly cloudy, with a high near 56. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 56 °F

    Cloudy then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 46. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 57. West wind around 6 mph.

    High: 57 °F

    Chance
    Showers

  • 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 58. North northwest wind 6 to 8 mph becoming west in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 10am. Mostly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Breezy.

    Low: 41 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Tonight
Cloudy, with a low around 50. West wind around 8 mph.
Sunday
A 30 percent chance of showers after 4pm. Mostly cloudy, with a high near 56. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 46. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 57. West 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 58. North northwest wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers, mainly before 10am. Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 41. Breezy.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Lakeport CA
 39.03°N 123.03°W (Elev. 2398 ft)
Last Update:
1:10 pm PST Feb 28, 2026
Forecast Valid:
7pm PST Feb 28, 2026-6pm PST Mar 7, 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