Widow Mountain Weather Forecast

    • 40
    • 58

    Sunny

    • 44
    • 65

    Sunny

    • 47
    • 69

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

Today 13 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 68 to 78. Light Winds becoming northwest 10 to 15 Mph in the afternoon.

Tonight 13 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 32 to 42. North Winds 10 to 15 Mph.

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Widow Mountain Temperature Statistics

September Temperature

Alturas (44.1 miles)

  • Lowest 10 September, 2026

    47.6 °F

  • Average September

    69.8 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Alturas (44.1 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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