Helena Weather Forecast

    • 62
    • 72

    Chance Rain Showers

    • 59
    • 76

    Chance Rain Showers

    • 61
    • 81

    Partly Sunny

    • 62
    • 82

    Chance Rain Showers

    • 59
    • 77

    Rain Showers Likely

    • 58
    • 77

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

Today 29 Jul Northern St. Lawrence

A slight chance of Thunderstorms. Showers. Highs in the mid 70s. Light and variable Winds. Chance of rain 90 percent.

Tonight 29 Jul Northern St. Lawrence

A slight chance of Thunderstorms until midnight. Cloudy with a chance of Showers. Lows in the upper 50s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

July Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 23 July, 2026

    47.6 °F

  • Average July

    70.6 °F

  • Highest 1 July, 2026

    91.7 °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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