Helena Weather Forecast

    • 36
    • 57

    Decreasing Clouds

    • 30
    • 56

    Chance Rain

    • 31
    • 43

    Rain

    • 15
    • 36

    Chance Snow

    • 20
    • 36

    Chance Rain/Snow

    • 18
    • 33

    Chance Snow

Today 9 Mar Northern St. Lawrence

Partly sunny. Highs in the upper 50s. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph.

Tonight 9 Mar Northern St. Lawrence

Partly cloudy until Midnight, then clearing. Lows in the upper 30s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to around 10 Mph after midnight.

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Helena Temperature Statistics

March Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 2 March, 2026

    -15 °F

  • Average March

    20.3 °F

  • Highest 4 March, 2026

    44.1 °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

    55.9 °F
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