Helena National Forest Weather Forecast

    • 47
    • 75

    Becoming Sunny

    • 44
    • 71

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

    • 52
    • 80

    Partly Sunny

    • 49
    • 74

    Partly Sunny

    • 48
    • 74

    Partly Sunny

Today 2 Oct Big Belt

Warmer. Mostly sunny. Highs 62 to 72. Southwest Winds up to 15 Mph. Gusts up to 30 Mph increasing to 40 Mph in the afternoon.

Tonight 2 Oct Big Belt

Mostly clear. Lows in the mid 40s. West Winds up to 10 Mph with Gusts to around 30 Mph.

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Helena National Forest Temperature Statistics

October Temperature

Helena Regional Airport (15.5 miles)

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Climate (2021–2026)

Helena Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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