Mount Rushmore National Memorial Weather Forecast

    • 52
    • 77

    Rain Showers Likely

    • 34
    • 59

    Rain Showers

    • 44
    • 61

    Mostly Sunny

    • 39
    • 58

    Rain Showers Likely

    • 42
    • 62

    Partly Sunny

    • 48
    • 71

    Mostly Sunny

Today 27 Apr Central Black Hills

Partly cloudy. Patchy fog this morning. A slight chance of rain Showers and Thunderstorms this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 27 Apr Central Black Hills

Mostly cloudy. Rain Showers with a chance of Thunderstorms in the Evening, then a chance of rain Showers after midnight. Lows in the mid 40s. West Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 80 percent.

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Mount Rushmore National Memorial Temperature Statistics

April Temperature

Custer, Custer County Airport (12.4 miles)

  • Lowest 5 April, 2025

    14.8 °F

  • Average April

    39.4 °F

  • Highest 11 April, 2025

    73.7 °F

Climate (2020–Present)

Custer, Custer County Airport (12.4 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.1 °F
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