Custer State Park Weather Forecast

    • 47
    • 53

    Slight Chance Thunderstorms

    • 58
    • 75

    Slight Chance Thunderstorms

    • 58
    • 79

    Chance Thunderstorms

    • 60
    • 77

    Chance Thunderstorms

    • 62
    • 86

    Slight Chance Thunderstorms

    • 62
    • 87

    Mostly Sunny

    • 61
    • 87

    Slight Chance Thunderstorms

Today 16 Jul Central Black Hills

Cloudy with a chance of Showers and Thunderstorms. Widespread fog. Near steady temperature in the lower 50s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 16 Jul Central Black Hills

Cloudy. Drizzle, a slight chance of Showers and Thunderstorms this evening. Areas of fog. Lows in the mid 40s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Custer State Park Temperature Statistics

July Temperature

Custer, Custer County Airport (8.7 miles)

  • Lowest 12 July, 2025

    38.6 °F

  • Average July

    67.1 °F

  • Highest 9 July, 2025

    90.6 °F

Climate (2020–Present)

Custer, Custer County Airport (8.7 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.2 °F
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