Helena Weather Forecast

    • 27
    • 55

    Becoming Sunny

    • 26
    • 50

    Partly Sunny

    • 30
    • 56

    Mostly Sunny

    • 42
    • 62

    Partly Sunny

    • 34
    • 59

    Partly Sunny

    • 31
    • 48

    Partly Sunny

Today 22 Oct Northern St. Lawrence

Partly sunny. Highs in the mid 50s. Light and variable Winds.

Tonight 22 Oct Northern St. Lawrence

Mostly clear. Lows in the upper 20s. North Winds around 10 Mph until Midnight, becoming light and variable.

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Helena Temperature Statistics

October Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 10 October, 2026

    29.6 °F

  • Average October

    50.2 °F

  • Highest 4 October, 2026

    70.6 °F

Climate (2021–2026)

Massena, Massena International-Richards Field (5.6 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.9 °F
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