Custer State Park Airport Weather Forecast

    • 60
    • 80

    Increasing Clouds

    • 60
    • 79

    Slight Chance Thunderstorms

    • 59
    • 75

    Chance Thunderstorms

    • 56
    • 74

    Rain Showers

    • 54
    • 71

    Rain Showers Likely

    • 56
    • 75

    Chance Rain Showers

    • 59
    • 81

    Mostly Sunny

Today 26 Aug Central Black Hills

Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 26 Aug Central Black Hills

Partly cloudy. Lows in the mid 50s. Southeast Winds 5 to 10 Mph, becoming west after midnight.

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Custer State Park Airport Temperature Statistics

August Temperature

Custer, Custer County Airport (13 miles)

  • Lowest 9 August, 2025

    44.7 °F

  • Average August

    66.5 °F

  • Highest 7 August, 2025

    92.6 °F

Climate (2020–Present)

Custer, Custer County Airport (13 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    56.1 °F
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