Black Hills National Forest Weather Forecast

    • 27
    • 37

    Cloudy

    • 27
    • 35

    Snow

    • 28
    • 45

    Mostly Sunny

    • 32
    • 48

    Mostly Sunny

    • 37
    • 54

    Partly Sunny

    • 36
    • 55

    Mostly Cloudy

Today 25 Oct Northern Black Hills

Cloudy with a 20 percent chance of rain. Highs in the lower 40s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 25 Oct Northern Black Hills

Cloudy. Rain with snow likely in the Evening, then a chance of rain and snow after midnight. Lows in the upper 20s. Southeast Winds 5 to 10 Mph. Chance of precipitation 80 percent.

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Black Hills National Forest Temperature Statistics

October Temperature

Custer, Custer County Airport (16.8 miles)

  • Lowest 16 October, 2026

    26.7 °F

  • Average October

    53 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Custer, Custer County Airport (16.8 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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