Round Corral Reservoir Weather Forecast

    • 39
    • 61

    Mostly Sunny

    • 43
    • 66

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 50
    • 73

    Partly Sunny

    • 50
    • 74

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

Today 17 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly sunny. Slight chance of Showers and Thunderstorms in the afternoon. Highs 65 to 75. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 17 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 34 to 44. West Winds around 10 Mph in the evening becoming light.

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Round Corral Reservoir Temperature Statistics

September Temperature

Alturas (49.1 miles)

  • Lowest 14 September, 2026

    32 °F

  • Average September

    59.9 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Alturas (49.1 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    64.6 °F
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