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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

79°F

26°C

Humidity 32%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Heat Index79°F (26°C)
Last update 21 May 01:01 PM PDT
Extended Forecast for

Lakeport CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. South southwest wind around 6 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. West southwest wind 5 to 9 mph becoming light west northwest after midnight.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. South southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 88. South southwest wind around 6 mph.
Tonight
Clear, with a low around 56. West southwest wind 5 to 9 mph becoming light west northwest after midnight.
Friday
Sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49. South southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 46. Breezy.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
Last Update:
2:10 pm PDT May 21, 2026
Forecast Valid:
2pm PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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