Helena Weather Forecast

    • 33
    • 40

    Chance Rain/Snow

    • 23
    • 66

    Rain

    • 8
    • 25

    Chance Snow Showers

    • 20
    • 30

    Mostly Cloudy

    • 29
    • 40

    Chance Snow

    • 23
    • 41

    Chance Snow

Today 15 Mar Northern St. Lawrence

Mostly cloudy. A chance of snow Showers in the Morning, then a chance of rain or snow Showers in the afternoon. Little or no snow accumulation. Highs around 40. Light and variable Winds, becoming east around 10 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 15 Mar Northern St. Lawrence

Mostly cloudy. A chance of rain Showers until midnight. Lows in the lower 30s. Southeast Winds 10 to 15 Mph. Gusts up to 45 Mph after midnight. Chance of rain 40 percent.

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Helena Temperature Statistics

March Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 2 March, 2026

    -15.4 °F
  • Average March

    31 °F
  • Highest 9 March, 2026

    64 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (5.6 miles)

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  • Average Low 2021–2026

    36.2 °F
  • Average 2021–2026

    46.3 °F
  • Average High 2021–2026

    56 °F
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