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

NWS Sacramento Changes to Public and Fire Weather Zones Coming March 3rd

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Current conditions at

READER RANCH (RRRC1)

Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.

NA

49°F

9°C

Humidity 53%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 20 Feb 02:13 PM PST
Extended Forecast for

4 Miles NNW Penn Valley CA

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 32. Light east wind.

    Low: 32 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. East southeast wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly sunny, with a high near 59. South wind around 9 mph, with gusts as high as 20 mph.

    High: 59 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 42. East northeast wind around 6 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 50.

    Low: 50 °F

    Rain

Detailed Forecast

Tonight
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 32. Light east wind.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light and variable wind becoming south 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 40. East southeast wind around 6 mph.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 59. South wind around 9 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 42. East northeast wind around 6 mph.
Monday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 62.
Monday Night
Rain, mainly after 10pm. Low around 49. Chance of precipitation is 80%.
Tuesday
Rain. Cloudy, with a high near 55.
Tuesday Night
Rain. Cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47.
Friday
A slight chance of rain. Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Penn Valley CA
 39.25°N 121.2°W (Elev. 1385 ft)
Last Update:
1:21 pm PST Feb 20, 2026
Forecast Valid:
3pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

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