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

65°F

18°C

Humidity 57%
Wind Speed WSW 12 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 08 Apr 01:01 PM PDT
Extended Forecast for

Lakeport CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 2pm. Sunny, with a high near 74. Light west southwest wind becoming west 5 to 10 mph.

    High: 74 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog between 2am and 5am. Otherwise, mostly clear, with a low around 46. West wind 6 to 11 mph becoming light west southwest in the evening.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 67. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming light south in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 62. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 43. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 55.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 2pm. Sunny, with a high near 74. Light west southwest wind becoming west 5 to 10 mph.
Tonight
Patchy fog between 2am and 5am. Otherwise, mostly clear, with a low around 46. West wind 6 to 11 mph becoming light west southwest in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 67. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming light south in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 62. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 43. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 55.
Sunday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
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:
2:10 am PDT Apr 8, 2026
Forecast Valid:
1pm PDT Apr 8, 2026-6pm PDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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