Helena West Side Weather Forecast

    • 30
    • 35

    Decreasing Clouds

    • 34
    • 50

    Partly Sunny

    • 40
    • 55

    Chance Rain

    • 35
    • 51

    Rain/Snow Likely

    • 26
    • 44

    Chance Snow

    • 31
    • 40

    Rain/Snow Likely

    • 31
    • 44

    Chance Rain/Snow

Today 13 Dec Helena Valley

Mostly sunny. Highs in the lower 30s. Southwest Winds up to 10 Mph.

Tonight 13 Dec Helena Valley

Partly cloudy. Near steady temperature in the upper 20s. South Winds 5 to 10 Mph.

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Helena West Side Temperature Statistics

December Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 1 December, 2025

    3 °F

  • Average December

    38.2 °F

  • Highest 10 December, 2025

    61 °F

Climate (2020–Present)

Helena Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    59.5 °F
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