Harney Peak Weather Forecast

    • 48
    • 64

    Areas Smoke

    • 38
    • 68

    Areas Smoke

    • 35
    • 57

    Sunny

    • 38
    • 59

    Mostly Sunny

    • 50
    • 67

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 53
    • 71

    Slight Chance Thunderstorms

Today 3 Sep Central Black Hills

Partly cloudy. Areas of smoke. Near steady temperature in the mid 60s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 3 Sep Central Black Hills

Partly cloudy. Lows in the upper 40s. South Winds around 5 Mph, becoming west with Gusts up to 20 Mph.

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Harney Peak Temperature Statistics

September Temperature

Custer, Custer County Airport (9.9 miles)

  • Lowest 1 September, 2025

    43 °F

  • Average September

    60 °F

  • Highest 1 September, 2025

    73.9 °F

Climate (2020–Present)

Custer, Custer County Airport (9.9 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    56.1 °F
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