Great Falls Weather Forecast

    • 48
    • 70

    Sunny

    • 55
    • 84

    Sunny

    • 55
    • 88

    Mostly Sunny

    • 49
    • 83

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 50
    • 77

    Mostly Cloudy

    • 46
    • 71

    Chance Rain Showers

Today 21 Aug Cascade

Clear, haze. Lows in the mid 40s. Southeast Winds up to 10 Mph shifting to the south after midnight.

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Great Falls Temperature Statistics

August Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 19 August, 2018

    44.1 °F
  • Average August

    73.1 °F
  • Highest 10 August, 2018

    105.1 °F

Climate (2010–Present)

Great Falls, Great Falls International Airport (3.7 miles)

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  • Average Low 2010–Present

    34.2 °F
  • Average 2010–Present

    46.3 °F
  • Average High 2010–Present

    57.6 °F
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