National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Check Water Temperatures Before Your River Visit

Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

64°F

18°C

Humidity 73%
Wind Speed ESE 7 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 19 Jun 10:01 AM PDT
Extended Forecast for

6 Miles SW Lakeport CA

  • Juneteenth

    Juneteenth: Sunny, with a high near 69. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West wind 3 to 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59. West wind 5 to 9 mph becoming calm after midnight.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64. West wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 69. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 54. West wind 3 to 8 mph.
Saturday
Sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Saturday Night
Clear, with a low around 59. West wind 5 to 9 mph becoming calm after midnight.
Sunday
Sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Sunday Night
Clear, with a low around 64. West wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 83.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 65.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
Last Update:
8:58 am PDT Jun 19, 2026
Forecast Valid:
10am PDT Jun 19, 2026-6pm PDT Jun 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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