Pirogue Island State Park Weather Forecast

    • 53
    • 79

    Partly Sunny

    • 50
    • 79

    Chance Rain Showers

    • 56
    • 85

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 47
    • 75

    Partly Sunny

    • 48
    • 73

    Partly Sunny

Today 22 Sep Custer

Sunny. Highs in the upper 70s. Southeast Winds 10 to 20 Mph.

Tonight 22 Sep Custer

Partly cloudy. Chance of rain Showers overnight. Chance of rain Showers and slight chance of Thunderstorms after 3 am. Lows in the lower 50s. East Winds 5 to 15 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pirogue Island State Park Temperature Statistics

September Temperature

Miles City, Frank Wiley Field Airport (3.1 miles)

  • Lowest 12 September, 2026

    43.6 °F

  • Average September

    67.2 °F

  • Highest 4 September, 2026

    99.6 °F

Climate (2021–2026)

Miles City, Frank Wiley Field Airport (3.1 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    60.2 °F
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