Nine Springs Reservoir Weather Forecast

    • 53
    • 88

    Sunny

    • 55
    • 90

    Sunny

    • 51
    • 90

    Sunny

    • 51
    • 89

    Sunny

    • 54
    • 90

    Sunny

    • 57
    • 92

    Sunny

Today 30 Jul Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 89 to 99. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 30 Jul Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 48 to 58. West Winds 10 to 15 Mph in the evening becoming light.

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Nine Springs Reservoir Temperature Statistics

July Temperature

Alturas (41.6 miles)

  • Lowest 1 July, 2026

    38.6 °F

  • Average July

    69.5 °F

  • Highest 24 July, 2026

    97.6 °F

Climate (2021–2026)

Alturas (41.6 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.8 °F
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