Harney Peak Weather Forecast

    • 37
    • 47

    Sunny

    • 47
    • 68

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 42
    • 57

    Mostly Sunny

    • 48
    • 64

    Mostly Sunny

    • 47
    • 63

    Mostly Sunny

    • 50
    • 63

    Chance Rain

Today 16 Oct Central Black Hills

Sunny. Highs in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 16 Oct Central Black Hills

Clear. Lows in the upper 30s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Harney Peak Temperature Statistics

October Temperature

Custer, Custer County Airport (9.9 miles)

  • Lowest 2 October, 2026

    35.7 °F

  • Average October

    54.7 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Custer, Custer County Airport (9.9 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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