Jewel Cave National Monument Weather Forecast

    • 35
    • 51

    Increasing Clouds

    • 38
    • 62

    Mostly Cloudy

    • 45
    • 64

    Partly Sunny

    • 39
    • 76

    Partly Sunny

    • 26
    • 51

    Mostly Cloudy

    • 29
    • 48

    Partly Sunny

    • 36
    • 57

    Partly Sunny

Today 22 Mar Central Black Hills

Mostly sunny. Near steady temperature in the upper 40s. North Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 22 Mar Central Black Hills

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 30s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jewel Cave National Monument Temperature Statistics

March Temperature

Custer, Custer County Airport (9.9 miles)

  • Lowest 15 March, 2026

    2.6 °F

  • Average March

    38.9 °F

  • Highest 19 March, 2026

    72 °F

Climate (2021–Present)

Custer, Custer County Airport (9.9 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    56.7 °F
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