Helena West Side Weather Forecast

    • 42
    • 57

    Mostly Cloudy

    • 37
    • 53

    Decreasing Clouds

    • 34
    • 55

    Mostly Sunny

    • 23
    • 48

    Mostly Sunny

    • 24
    • 42

    Partly Sunny

    • 27
    • 47

    Mostly Sunny

    • 27
    • 47

    Mostly Sunny

Today 12 Jan Helena Valley

Partly sunny. Highs in the lower 50s. South Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 12 Jan Helena Valley

Mostly cloudy. Lows around 40. South Winds 5 to 15 Mph with Gusts to around 30 Mph.

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Helena West Side Temperature Statistics

January Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 8 January, 2026

    19 °F

  • Average January

    35.6 °F

  • Highest 3 January, 2026

    55 °F

Climate (2021–Present)

Helena Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.6 °F
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