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

66°F

19°C

Humidity 23%
Wind Speed E 6 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 18 Apr 02:01 PM PDT
Extended Forecast for

10 Miles NNW Lakeport CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 73. South southeast wind around 8 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. South southeast wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. Calm wind becoming south southeast 5 to 9 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 43. Southeast wind 5 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: Rain. High near 57. Southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 41. South southeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 55. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. South southeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 45. South southeast wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 69. Calm wind becoming south southeast 5 to 9 mph in the afternoon.
Sunday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 43. Southeast wind 5 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 57. Southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Low around 41. South southeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 55. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
2:10 pm PDT Apr 18, 2026
Forecast Valid:
2pm PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation