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

57°F

14°C

Humidity 80%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 28 Feb 07:01 PM PST
Extended Forecast for

2 Miles SSE Lakeport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. West southwest wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 4pm. Mostly cloudy, with a high near 62. West southwest wind 5 to 10 mph.

    High: 62 °F

    Cloudy then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 10pm and 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers, mainly before 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

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

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 10am. Mostly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. West southwest wind around 5 mph.
Sunday
A 30 percent chance of showers after 4pm. Mostly cloudy, with a high near 62. West southwest wind 5 to 10 mph.
Sunday Night
Showers likely, mainly between 10pm and 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of showers, mainly before 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Monday Night
Partly cloudy, with a low around 42. Calm wind.
Tuesday
Mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers before 10am. Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 72.
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Forecast Area
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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 28, 2026
Forecast Valid:
8pm PST Feb 28, 2026-6pm PST Mar 7, 2026
 
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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