Helena Weather Forecast

    • 44
    • 61

    Chance Rain Showers

    • 41
    • 57

    Rain Showers

    • 36
    • 55

    Rain Showers

    • 35
    • 50

    Chance Rain Showers

    • 32
    • 50

    Slight Chance Rain Showers

    • 30
    • 51

    Partly Sunny

Today 21 Oct Northern St. Lawrence

Partly sunny. A chance of Showers this morning. Highs in the lower 60s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 21 Oct Northern St. Lawrence

Mostly cloudy with a 50 percent chance of Showers. Lows in the mid 40s. Light and variable Winds.

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Helena Temperature Statistics

October Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 10 October, 2025

    25 °F

  • Average October

    52.3 °F

  • Highest 5 October, 2025

    84.9 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (5.6 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    56.4 °F
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