Harney Peak Weather Forecast

    • 22
    • 44

    Chance Rain/Snow

    • 31
    • 38

    Rain/Snow Likely

    • 10
    • 43

    Snow Likely

    • 10
    • 17

    Chance Snow

    • 15
    • 28

    Mostly Cloudy

    • 24
    • 40

    Partly Sunny

Today 9 Dec Central Black Hills

Partly cloudy with a chance of rain and snow. Snow accumulation up to 1 inch possible. Breezy with Highs in the upper 40s. West Winds 10 to 20 Mph, increasing to 20 to 30 Mph in the afternoon. Gusts up to 45 Mph. Chance of precipitation 50 percent.

Tonight 9 Dec Central Black Hills

Partly cloudy. Lows around 30. West Winds 5 to 10 Mph with Gusts up to 30 Mph.

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Harney Peak Temperature Statistics

December Temperature

Custer, Custer County Airport (9.9 miles)

  • Lowest 1 December, 2025

    7 °F

  • Average December

    25.2 °F

  • Highest 6 December, 2025

    37 °F

Climate (2020–Present)

Custer, Custer County Airport (9.9 miles)

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  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.2 °F
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