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

READER RANCH (RRRC1)

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

NA

47°F

8°C

Humidity 90%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 15 Nov 01:13 AM PST
Extended Forecast for

Penn Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. Light east southeast wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 57. South southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Mostly Cloudy
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain, mainly before 5am. Patchy fog between 9pm and 10pm. Low around 44. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of rain after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. Light south wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Slight Chance
    Rain then
    Patchy Frost

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Rain, mainly after 4am. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 47.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. Light east southeast wind.
Sunday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 57. South southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 5am. Patchy fog between 9pm and 10pm. Low around 44. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday
A 30 percent chance of rain after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of rain before 10pm. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Tuesday
Patchy frost before 8am. Otherwise, sunny, with a high near 52.
Tuesday Night
Rain, mainly after 4am. Low around 40. Chance of precipitation is 80%.
Wednesday
Rain. Cloudy, with a high near 47.
Wednesday Night
Rain. Cloudy, with a low around 41.
Thursday
Rain. Cloudy, with a high near 50.
Thursday Night
Rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Partly sunny, with a high near 53.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
Last Update:
1:01 am PST Nov 15, 2026
Forecast Valid:
2am PST Nov 15, 2026-6pm PST Nov 21, 2026
 
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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