Wind Cave National Park Weather Forecast

    • 37
    • 45

    Rain

    • 39
    • 56

    Chance Rain

    • 39
    • 58

    Chance Rain Showers

    • 47
    • 65

    Chance Thunderstorms

    • 47
    • 64

    Chance Rain Showers

    • 51
    • 66

    Rain Showers Likely

Today 19 May Southern Black Hills

Areas of fog in the morning. Rain. Highs in the mid 40s. North Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 19 May Southern Black Hills

Mostly cloudy. Rain likely with a chance of snow in the Evening, then a chance of rain with a slight chance of snow after midnight. Little or no snow accumulation. Lows in the mid 30s. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

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Wind Cave National Park Temperature Statistics

May Temperature

Custer, Custer County Airport (12.4 miles)

  • Lowest 2 May, 2025

    29.8 °F

  • Average May

    54 °F

  • Highest 11 May, 2025

    83.6 °F

Climate (2020–Present)

Custer, Custer County Airport (12.4 miles)

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  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    56.3 °F
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