Buckhorn Reservoir Weather Forecast

    • 39
    • 70

    Increasing Clouds

    • 45
    • 68

    Mostly Cloudy

    • 38
    • 65

    Partly Sunny

    • 40
    • 68

    Mostly Sunny

    • 42
    • 70

    Mostly Sunny

    • 43
    • 73

    Mostly Sunny

Today 25 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the morning then clearing. Highs 69 to 79. Southwest Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 25 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Clear in the evening then becoming mostly cloudy. Lows 33 to 43. Northwest Winds around 10 Mph with Gusts up to 30 Mph in the evening becoming light.

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Buckhorn Reservoir Temperature Statistics

September Temperature

Alturas (49.7 miles)

  • Lowest 14 September, 2026

    28.7 °F

  • Average September

    58.8 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Alturas (49.7 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    64.7 °F
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