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 64%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 09 Apr 03:01 PM PDT
Extended Forecast for

Lakeport CA

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 66. Southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44. Southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Scattered
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 59. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 43. South southwest wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 51. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Rain before 11pm, then showers after 11pm. Low around 38. South southeast wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 51. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 66. Southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44. Southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 59. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 43. South southwest wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 51. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain before 11pm, then showers after 11pm. Low around 38. South southeast wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 11am. High near 51. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of rain before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 36.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
Last Update:
3:39 pm PDT Apr 9, 2026
Forecast Valid:
4pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation