Great Falls Weather Forecast

    • 50
    • 77

    Rain Showers Likely

    • 53
    • 83

    Partly Sunny

    • 56
    • 87

    Mostly Sunny

    • 60
    • 97

    Hot

    • 57
    • 97

    Hot

    • 52
    • 83

    Partly Sunny

Today 5 Jul Cascade County below 5000ft

Mostly cloudy with a 50 percent chance of Thunderstorms. Near steady temperature in the lower 70s. West Winds 10 to 15 Mph.

Tonight 5 Jul Cascade County below 5000ft

Partly cloudy. A 20 percent chance of Thunderstorms in the evening. Lows around 50. Northwest Winds 5 to 15 Mph shifting to the southwest after midnight.

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Great Falls Temperature Statistics

July Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 1 July, 2025

    52 °F

  • Average July

    76.3 °F

  • Highest 3 July, 2025

    93 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (3.7 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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