Spring Valley Lake Weather Forecast

    • 45
    • 60

    Becoming Sunny

    • 44
    • 58

    Sunny

    • 43
    • 59

    Mostly Sunny

    • 42
    • 51

    Partly Sunny

    • 37
    • 44

    Rain Showers Likely

    • 37
    • 40

    Rain Showers

    • 38
    • 43

    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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Spring Valley Lake Temperature Statistics

October Temperature

Chico Municipal Airport (28.6 miles)

  • Lowest 12 October, 2025

    44.6 °F

  • Average October

    59 °F

  • Highest 7 October, 2025

    87.8 °F

Climate (2020–Present)

Chico Municipal Airport (28.6 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    61.1 °F

  • Average High 2020–2025

    75.2 °F
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