Fair Grounds Weather Forecast

    • 31
    • 44

    Chance Snow Showers

    • 30
    • 48

    Slight Chance Rain/Snow

    • 29
    • 50

    Snow

    • 25
    • 39

    Snow Likely

    • 30
    • 53

    Partly Sunny

    • 33
    • 66

    Mostly Cloudy

    • 33
    • 58

    Partly Sunny

Today 31 Mar Custer

Mostly cloudy. A 20 percent chance of snow Showers late in the afternoon. Colder. Highs in the lower 40s. East Winds 10 to 20 Mph.

Tonight 31 Mar Custer

Mostly cloudy. Slight chance of snow Showers early in the Evening, then chance of snow Showers late in the evening. Slight chance of snow Showers overnight. Lows in the lower 30s. East Winds 10 to 20 Mph. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fair Grounds Temperature Statistics

March Temperature

Miles City, Frank Wiley Field Airport (1.9 miles)

  • Lowest 15 March, 2026

    0.6 °F

  • Average March

    41.3 °F

  • Highest 20 March, 2026

    81.6 °F

Climate (2021–Present)

Miles City, Frank Wiley Field Airport (1.9 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    60.1 °F
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