Helena West Side Weather Forecast

    • 50
    • 75

    Decreasing Clouds

    • 47
    • 78

    Increasing Clouds

    • 52
    • 82

    Partly Sunny

    • 52
    • 83

    Slight Chance Thunderstorms

    • 49
    • 77

    Partly Sunny

    • 49
    • 76

    Mostly Sunny

    • 53
    • 86

    Mostly Sunny

Today 17 Jun Helena Valley

Cooler. Mostly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 17 Jun Helena Valley

Partly cloudy. Lows in the mid 40s. West Winds up to 5 Mph.

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Helena West Side Temperature Statistics

June Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 8 June, 2026

    34.6 °F

  • Average June

    57.8 °F

  • Highest 15 June, 2026

    82 °F

Climate (2021–2026)

Helena Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    60 °F
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