Helena Regional Airport Weather Forecast

    • 35
    • 68

    Increasing Clouds

    • 35
    • 61

    Partly Sunny

    • 41
    • 67

    Partly Sunny

    • 44
    • 69

    Mostly Cloudy

    • 29
    • 52

    Chance Rain

    • 29
    • 48

    Slight Chance Rain/Snow

Today 19 Oct Helena Valley

Sunny. Highs in the upper 60s. Southeast Winds up to 10 Mph.

Tonight 19 Oct Helena Valley

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. South Winds up to 10 Mph.

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Helena Regional Airport Temperature Statistics

October Temperature

Helena Regional Airport (0 miles)

  • Lowest 13 October, 2026

    25.6 °F

  • Average October

    50.5 °F

  • Highest 9 October, 2026

    82.7 °F

Climate (2021–2026)

Helena Regional Airport (0 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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