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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

48°F

9°C

Humidity 100%
Wind Speed W 14 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 27 Jun 08:01 AM PDT
Extended Forecast for

4 Miles SE Hopland CA

  • Today

    Today: Sunny, with a high near 72. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northwest wind 6 to 15 mph, with gusts as high as 29 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Light north wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. West northwest wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. West northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 48. Northwest wind 6 to 15 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 78. Light north wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 50. West northwest wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51. West northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Hopland CA
 38.94°N 123.06°W (Elev. 597 ft)
Last Update:
2:10 am PDT Jun 27, 2026
Forecast Valid:
8am PDT Jun 27, 2026-6pm PDT Jul 3, 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