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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

83°F

28°C

Humidity 36%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index82°F (28°C)
Last update 08 Jul 10:01 AM PDT
Extended Forecast for

3 Miles S Lakeport CA

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 92.

    High: 92 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming west 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. West wind 3 to 8 mph. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 58. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 90. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Lakeport CA
 39°N 122.94°W (Elev. 1572 ft)
Last Update:
10:05 am PDT Jul 8, 2026
Forecast Valid:
11am PDT Jul 8, 2026-6pm PDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation