Fair Grounds Weather Forecast

    • 27
    • 37

    Chance Wintry Mix

    • 25
    • 51

    Decreasing Clouds

    • 29
    • 48

    Mostly Cloudy

    • 28
    • 53

    Partly Sunny

    • 25
    • 49

    Partly Sunny

    • 34
    • 52

    Partly Sunny

    • 25
    • 56

    Mostly Sunny

Today 30 Jan Custer

Partly sunny. Highs in the upper 30s. Southeast Winds 10 to 20 Mph.

Tonight 30 Jan Custer

Cloudy. Slight chance of rain and snow late in the Evening, then chance of light freezing rain overnight. Chance of rain after 3 am. Lows in the upper 20s. South Winds 5 to 15 Mph. Chance of precipitation 40 percent.

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Fair Grounds Temperature Statistics

January Temperature

Miles City, Frank Wiley Field Airport (1.9 miles)

  • Lowest 23 January, 2026

    -15.4 °F

  • Average January

    26.2 °F

  • Highest 12 January, 2026

    59.6 °F

Climate (2021–Present)

Miles City, Frank Wiley Field Airport (1.9 miles)

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  • Average Low 2021–2026

    35.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.7 °F
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