Square Butte Weather Forecast

    • 28
    • 50

    Mostly Sunny

    • 35
    • 53

    Mostly Sunny

    • 46
    • 71

    Breezy

    • 33
    • 58

    Breezy

    • 37
    • 53

    Mostly Cloudy

    • 39
    • 61

    Mostly Cloudy

Today 30 Oct Western and Central Chouteau County

Cooler, sunny. Highs around 50. Northwest Winds 5 to 15 Mph.

Tonight 30 Oct Western and Central Chouteau County

Colder. Partly cloudy. Lows 20 to 25. North Winds up to 5 Mph shifting to the southwest after midnight.

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Square Butte Temperature Statistics

October Temperature

Malmstrom Air Force Base (46 miles)

  • Lowest 28 October, 2025

    27.3 °F

  • Average October

    48.9 °F

  • Highest 10 October, 2025

    77.5 °F

Climate (2020–Present)

Malmstrom Air Force Base (46 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    58.3 °F
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