Helena Weather Forecast

    • 62
    • 79

    Increasing Clouds

    • 57
    • 81

    Rain Showers Likely

    • 50
    • 72

    Chance Rain Showers

    • 57
    • 76

    Partly Sunny

    • 59
    • 77

    Chance Rain Showers

    • 58
    • 76

    Chance Rain Showers

    • 60
    • 76

    Chance Rain Showers

Today 26 Aug Northern St. Lawrence

Partly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 26 Aug Northern St. Lawrence

Partly cloudy until Midnight, then clearing. Lows in the lower 60s. Light and variable Winds, becoming southeast around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

August Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 21 August, 2026

    50.6 °F

  • Average August

    69.5 °F

  • Highest 6 August, 2026

    87.7 °F

Climate (2021–2026)

Massena, Massena International-Richards Field (5.6 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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