Helena West Side Weather Forecast

    • 43
    • 70

    Increasing Clouds

    • 28
    • 52

    Rain/Snow

    • 29
    • 45

    Mostly Sunny

    • 29
    • 43

    Partly Sunny

    • 30
    • 46

    Partly Sunny

    • 31
    • 49

    Chance Rain

Today 22 Oct Helena Valley

Sunny. Highs around 70. Southeast Winds up to 10 Mph.

Tonight 22 Oct Helena Valley

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 40s. Southeast Winds up to 5 Mph shifting to the south after midnight.

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Helena West Side Temperature Statistics

October Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 13 October, 2026

    25.6 °F

  • Average October

    50.5 °F

  • Highest 9 October, 2026

    82.7 °F

Climate (2021–2026)

Helena Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    59.9 °F
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