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

49°F

9°C

Humidity 97%
Wind Speed SE 6 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 10 Apr 01:01 PM PDT
Extended Forecast for

Lakeport CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 59. South southwest wind 6 to 9 mph. 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

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then showers likely. Patchy fog after 2am. Low around 43. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers then
    Scattered
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Rain before 2pm, then showers and possibly a thunderstorm after 2pm. High near 52. Breezy, with a south wind 7 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 39. Windy, with a south southeast wind 17 to 22 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers and
    Windy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 53. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 36. West southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 59. South southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 8pm, then showers likely. Patchy fog after 2am. Low around 43. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain before 2pm, then showers and possibly a thunderstorm after 2pm. High near 52. Breezy, with a south wind 7 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 39. Windy, with a south southeast wind 17 to 22 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 33 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 53. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 36. West southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of showers after 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
Last Update:
12:23 pm PDT Apr 10, 2026
Forecast Valid:
1pm PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation