Fair Grounds Weather Forecast

    • 24
    • 44

    Increasing Clouds

    • 42
    • 64

    Partly Sunny

    • 29
    • 60

    Breezy

    • 33
    • 55

    Mostly Cloudy

    • 33
    • 60

    Mostly Cloudy

    • 37
    • 59

    Mostly Cloudy

Today 31 Oct Custer

Mostly sunny. Colder. Highs in the lower 40s. North Winds 5 to 10 Mph.

Tonight 31 Oct Custer

Mostly clear. Lows in the mid 20s. Southeast Winds 5 to 10 Mph.

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Fair Grounds Temperature Statistics

October Temperature

Miles City, Frank Wiley Field Airport (1.9 miles)

  • Lowest 29 October, 2025

    28 °F

  • Average October

    49.3 °F

  • Highest 2 October, 2025

    84 °F

Climate (2020–Present)

Miles City, Frank Wiley Field Airport (1.9 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    59.8 °F
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