Helena Weather Forecast

    • 44
    • 70

    Chance Rain Showers

    • 28
    • 55

    Mostly Cloudy

    • 28
    • 49

    Mostly Sunny

    • 37
    • 57

    Partly Sunny

    • 37
    • 60

    Mostly Cloudy

    • 39
    • 57

    Mostly Cloudy

Today 29 Oct Northern St. Lawrence

Partly sunny with a 50 percent chance of Showers. Highs in the lower 60s.

Tonight 29 Oct Northern St. Lawrence

Mostly cloudy with a chance of Showers until Midnight, then partly cloudy after midnight. Lows in the mid 40s. Southwest Winds 10 to 15 Mph. Gusts up to 35 Mph until midnight. Chance of rain 50 percent.

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Helena Temperature Statistics

October Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 24 October, 2026

    24.7 °F

  • Average October

    48.2 °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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