Little Grass Valley Reservoir Weather Forecast

    • 45
    • 65

    Partly Sunny

    • 45
    • 63

    Sunny

    • 44
    • 64

    Mostly Sunny

    • 44
    • 56

    Partly Sunny

    • 42
    • 51

    Chance Rain Showers

    • 41
    • 44

    Rain Showers

    • 40
    • 48

    Slight Chance Rain Showers

Today 31 Oct Western Plumas County/Lassen Park

Mostly sunny. Highs 59 to 74. Light Winds.

Tonight 31 Oct Western Plumas County/Lassen Park

Mostly clear. Lows 39 to 54. Light Winds.

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  • Temperature Real-Time

Little Grass Valley Reservoir Temperature Statistics

October Temperature

Emigrant Gap, Blue Canyon Nyack Airport (34.2 miles)

  • Lowest 14 October, 2025

    32 °F

  • Average October

    50.7 °F

  • Highest 7 October, 2025

    69.1 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (34.2 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    60.2 °F
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