Mount Rushmore National Memorial Weather Forecast

    • 33
    • 48

    Becoming Sunny

    • 37
    • 56

    Mostly Sunny

    • 41
    • 59

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

    • 44
    • 67

    Mostly Cloudy

Today 20 Oct Central Black Hills

Partly cloudy. A slight chance of rain Showers, snow Showers and isolated Thunderstorms this afternoon. Breezy, cooler with Highs in the mid 40s. Northwest Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of precipitation 20 percent.

Tonight 20 Oct Central Black Hills

Mostly clear and breezy. Lows in the upper 20s. Northwest Winds 15 to 25 Mph with Gusts up to 45 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Rushmore National Memorial Temperature Statistics

October Temperature

Custer, Custer County Airport (12.4 miles)

  • Lowest 13 October, 2025

    26.1 °F

  • Average October

    49.5 °F

  • Highest 3 October, 2025

    81 °F

Climate (2020–Present)

Custer, Custer County Airport (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.2 °F
Get WillyWeather+ to remove ads