Sly Creek Reservoir Weather Forecast

    • 54
    • 75

    Sunny

    • 56
    • 73

    Sunny

    • 59
    • 80

    Sunny

    • 59
    • 82

    Sunny

    • 59
    • 82

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 13 Sep Western Plumas County/Lassen Park

Sunny. Highs 62 to 77 higher Elevations. 68 to 83 lower Elevations. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 13 Sep Western Plumas County/Lassen Park

Mostly clear. Lows 44 to 59. Prevailing south Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sly Creek Reservoir Temperature Statistics

September Temperature

Nevada County Air Park (26.1 miles)

  • Lowest 10 September, 2025

    55.4 °F

  • Average September

    71.9 °F

  • Highest 2 September, 2025

    95 °F

Climate (2020–Present)

Nevada County Air Park (26.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    68.8 °F
Get WillyWeather+ to remove ads