Helena Weather Forecast

    • 36
    • 46

    Mostly Cloudy

    • 36
    • 54

    Rain Likely

    • 38
    • 42

    Rain

    • 22
    • 46

    Mostly Cloudy

    • 25
    • 37

    Mostly Cloudy

    • 31
    • 42

    Chance Rain Showers

Today 29 Mar Northern St. Lawrence

Partly sunny. Highs in the mid 40s. Southwest Winds 10 to 15 Mph.

Tonight 29 Mar Northern St. Lawrence

Partly cloudy until Midnight, then becoming mostly cloudy. Lows in the mid 30s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

March Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 2 March, 2026

    -15.4 °F

  • Average March

    30.6 °F

  • Highest 16 March, 2026

    68.6 °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

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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