Sly Creek Reservoir Weather Forecast

    • 51
    • 68

    Sunny

    • 50
    • 72

    Mostly Sunny

    • 48
    • 67

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 49
    • 67

    Sunny

    • 50
    • 69

    Mostly Sunny

    • 50
    • 66

    Mostly Sunny

Today 28 Oct Western Plumas County/Lassen Park

Widespread frost early in the morning. Sunny, warmer. Highs 54 to 68 higher Elevations. 60 to 72 lower Elevations. Prevailing east Winds up to 10 Mph.

Tonight 28 Oct Western Plumas County/Lassen Park

Clear. Lows 39 to 54. Light Winds.

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Sly Creek Reservoir Temperature Statistics

October Temperature

Nevada County Air Park (26.1 miles)

  • Lowest 14 October, 2025

    41 °F

  • Average October

    57.1 °F

  • Highest 7 October, 2025

    78.8 °F

Climate (2020–Present)

Nevada County Air Park (26.1 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    68.6 °F
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