Jewel Cave National Monument Weather Forecast

    • 23
    • 36

    Decreasing Clouds

    • 27
    • 41

    Increasing Clouds

    • 25
    • 48

    Chance Snow

    • 25
    • 37

    Rain/Snow Likely

    • 10
    • 31

    Chance Snow

    • 10
    • 22

    Chance Snow

    • 18
    • 34

    Partly Sunny

Today 7 Dec Central Black Hills

Mostly sunny. Highs in the 30s to lower 40s. West Winds 5 to 10 Mph with Gusts up to 30 Mph.

Tonight 7 Dec Central Black Hills

Partly cloudy. Lows in the lower 20s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jewel Cave National Monument Temperature Statistics

December Temperature

Custer, Custer County Airport (9.9 miles)

  • Lowest 1 December, 2025

    7 °F

  • Average December

    24.7 °F

  • Highest 2 December, 2025

    34 °F

Climate (2020–Present)

Custer, Custer County Airport (9.9 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