Fair Grounds Weather Forecast

    • 28
    • 48

    Mostly Cloudy

    • 13
    • 48

    Chance Rain Showers

    • 27
    • 34

    Mostly Cloudy

    • 19
    • 49

    Chance Rain/Snow

    • 19
    • 34

    Partly Sunny

    • 22
    • 38

    Mostly Cloudy

    • 22
    • 43

    Mostly Cloudy

Today 16 Dec Custer

Mostly sunny. Highs in the mid 40s. West Winds 5 to 15 Mph.

Tonight 16 Dec Custer

Mostly cloudy. Colder. Lows in the upper 20s. South Winds 5 to 15 Mph.

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  • Temperature Real-Time

Fair Grounds Temperature Statistics

December Temperature

Miles City, Frank Wiley Field Airport (1.9 miles)

  • Lowest 1 December, 2025

    -4 °F

  • Average December

    24.2 °F

  • Highest 9 December, 2025

    51.1 °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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