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

LYONS VALLEY (COWC1)

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

NA

59°F

15°C

Humidity 67%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 27 Feb 01:01 AM PST
Extended Forecast for

4 Miles SE Hopland CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. North wind around 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. Northwest wind around 6 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 54. Light north wind.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.

    High: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. North wind around 6 mph.
Friday
Partly sunny, with a high near 74. Northwest wind around 6 mph.
Friday Night
A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 54. Light north wind.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 50 percent chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of showers. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Monday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 62.
Wednesday Night
A slight chance of rain. Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 66.
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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:
1:10 am PST Feb 27, 2026
Forecast Valid:
1am PST Feb 27, 2026-6pm PST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation