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

62°F

17°C

Humidity 41%
Wind Speed NNW 9 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 28 Feb 06:01 AM PST
Extended Forecast for

9 Miles N Lakeport CA

  • Today

    Today: Scattered showers and thunderstorms, mainly between 10am and 4pm. Mostly cloudy, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 74 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers before 7pm. Cloudy, with a low around 45. Northwest wind 3 to 5 mph. Chance of precipitation is 10%.

    Low: 45 °F

    Isolated
    Showers then
    Cloudy

  • Sunday

    Sunday: Scattered showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. West wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 63 °F

    Scattered
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers likely. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 40. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of rain. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.

    High: 64 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 10am. Partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 10am and 4pm. Mostly cloudy, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Isolated showers before 7pm. Cloudy, with a low around 45. Northwest wind 3 to 5 mph. Chance of precipitation is 10%.
Sunday
Scattered showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. West wind 6 to 9 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 40. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66.
Tuesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain, mainly after 10am. Partly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Lakeport CA
 39.18°N 122.96°W (Elev. 1391 ft)
Last Update:
1:10 am PST Feb 28, 2026
Forecast Valid:
6am PST Feb 28, 2026-6pm PST Mar 6, 2026
 
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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