Helena Regional Airport Weather Forecast

    • 41
    • 55

    Increasing Clouds

    • 39
    • 55

    Rain

    • 32
    • 53

    Partly Sunny

    • 34
    • 59

    Partly Sunny

    • 38
    • 63

    Partly Sunny

    • 42
    • 65

    Partly Sunny

Today 18 Oct Helena Valley

Sunny in the morning then becoming partly cloudy. Highs in the mid 50s. Southwest Winds 5 to 10 Mph.

Tonight 18 Oct Helena Valley

Mostly cloudy. Lows around 40. Southeast Winds 5 to 15 Mph.

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Helena Regional Airport Temperature Statistics

October Temperature

Helena Regional Airport (0 miles)

  • Lowest 6 October, 2025

    24.1 °F

  • Average October

    46.4 °F

  • Highest 10 October, 2025

    75.9 °F

Climate (2020–Present)

Helena Regional Airport (0 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.3 °F
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