Miles City Weather Forecast

    • 56
    • 84

    Rain Showers Likely

    • 54
    • 75

    Chance Thunderstorms

    • 51
    • 78

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 49
    • 76

    Partly Sunny

    • 51
    • 78

    Mostly Sunny

Today 15 Sep Custer

Mostly sunny. Highs in the lower 80s. Northwest Winds 5 to 15 Mph.

Tonight 15 Sep Custer

Chance of Showers and Thunderstorms in the Evening, then rain Showers likely and slight chance of Thunderstorms overnight. Lows in the mid 50s. West Winds 5 to 15 Mph. Chance of precipitation 60 percent.

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  • Temperature Real-Time

Miles City Temperature Statistics

September Temperature

Miles City, Frank Wiley Field Airport (2.5 miles)

  • Lowest 5 September, 2025

    39 °F

  • Average September

    67.1 °F

  • Highest 1 September, 2025

    93.9 °F

Climate (2020–Present)

Miles City, Frank Wiley Field Airport (2.5 miles)

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  • Average Low 2020–2025

    35.4 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.7 °F
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