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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

72°F

22°C

Humidity 28%
Wind Speed W 12 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 29 Jun 06:01 PM PDT
Extended Forecast for

4 Miles N Hopland CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. West wind 5 to 10 mph becoming light northwest after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 87. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 52. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 86. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. West wind 5 to 10 mph becoming light northwest after midnight.
Thursday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 54.
Independence Day
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Hopland CA
 39.02°N 123.12°W (Elev. 955 ft)
Last Update:
2:10 pm PDT Jun 29, 2026
Forecast Valid:
7pm PDT Jun 29, 2026-6pm PDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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