Helena West Side Weather Forecast

    • 60
    • 88

    Mostly Sunny

    • 60
    • 94

    Increasing Clouds

    • 60
    • 89

    Chance Thunderstorms

    • 58
    • 86

    Chance Thunderstorms

    • 55
    • 80

    Chance Thunderstorms

    • 54
    • 80

    Chance Thunderstorms

    • 55
    • 82

    Slight Chance Thunderstorms

Today 30 Jun Helena Valley

Sunny. Highs 85 to 90. East Winds up to 10 Mph.

Tonight 30 Jun Helena Valley

Mostly clear. Lows 55 to 60. Southeast Winds up to 10 Mph.

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Helena West Side Temperature Statistics

June Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 23 June, 2025

    36.6 °F

  • Average June

    63.8 °F

  • Highest 10 June, 2025

    92.6 °F

Climate (2020–Present)

Helena Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.4 °F
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