Fort Harrison Army Airfield Weather Forecast

    • 51
    • 80

    Chance Rain Showers

    • 56
    • 86

    Mostly Sunny

    • 56
    • 88

    Mostly Sunny

    • 58
    • 85

    Partly Sunny

    • 58
    • 87

    Chance Thunderstorms

    • 58
    • 89

    Slight Chance Thunderstorms

Today 3 Jul Helena Valley

Partly sunny in the morning then clearing. Highs in the upper 70s. West Winds up to 10 Mph.

Tonight 3 Jul Helena Valley

Mostly clear. Lows around 50. Northwest Winds up to 10 Mph shifting to the southwest after midnight.

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Fort Harrison Army Airfield Temperature Statistics

July Temperature

Helena Regional Airport (5.6 miles)

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Climate (2021–2026)

Helena Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    59.9 °F
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