Great Falls International Airport Weather Forecast

    • 56
    • 85

    Becoming Sunny

    • 60
    • 96

    Mostly Sunny

    • 59
    • 96

    Partly Sunny

    • 48
    • 75

    Slight Chance Thunderstorms

    • 53
    • 81

    Mostly Sunny

    • 57
    • 90

    Mostly Sunny

Today 7 Jul Cascade County below 5000ft

Sunny. Highs 80 to 85. Northeast Winds up to 10 Mph.

Tonight 7 Jul Cascade County below 5000ft

Mostly clear. Lows 55 to 60. East Winds 5 to 10 Mph shifting to the south after midnight.

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Great Falls International Airport Temperature Statistics

July Temperature

Great Falls, Great Falls International Airport (0.6 miles)

  • Lowest 1 July, 2025

    52 °F
  • Average July

    72.9 °F
  • Highest 3 July, 2025

    93 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (0.6 miles)

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  • Average Low 2020–2025

    33.9 °F
  • Average 2020–2025

    46.4 °F
  • Average High 2020–2025

    58.3 °F
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