Helena Valley Southeast Weather Forecast

    • 33
    • 62

    Partly Cloudy

    • 38
    • 67

    Partly Sunny

    • 42
    • 69

    Partly Sunny

    • 29
    • 52

    Rain Likely

    • 27
    • 49

    Slight Chance Snow

    • 26
    • 49

    Mostly Cloudy

Today 20 Oct Helena Valley

Sunny. Highs in the lower 60s. West Winds up to 5 Mph shifting to the north in the afternoon.

Tonight 20 Oct Helena Valley

Partly cloudy. Lows in the mid 30s. West Winds up to 5 Mph shifting to the south after midnight.

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Helena Valley Southeast Temperature Statistics

October Temperature

Helena Regional Airport (3.1 miles)

  • Lowest 13 October, 2026

    25.6 °F

  • Average October

    50.7 °F

  • Highest 9 October, 2026

    82.7 °F

Climate (2021–2026)

Helena Regional Airport (3.1 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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