Custer County Airport Weather Forecast

    • 18
    • 32

    Increasing Clouds

    • 35
    • 45

    Mostly Cloudy

    • 32
    • 54

    Mostly Cloudy

    • 38
    • 53

    Mostly Cloudy

    • 36
    • 57

    Partly Sunny

    • 33
    • 50

    Partly Sunny

Today 20 Dec Central Black Hills

Partly cloudy in the Morning, then clearing. Highs in the lower 30s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Central Black Hills

Mostly clear. Lows 15 to 20. West Winds 5 to 10 Mph.

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Custer County Airport Temperature Statistics

December Temperature

Custer, Custer County Airport (0 miles)

  • Lowest 1 December, 2025

    7 °F

  • Average December

    31.6 °F

  • Highest 14 December, 2025

    57 °F

Climate (2020–Present)

Custer, Custer County Airport (0 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    56.2 °F
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