Harney Peak Weather Forecast

    • 27
    • 43

    Increasing Clouds

    • 32
    • 48

    Mostly Sunny

    • 38
    • 61

    Partly Sunny

    • 38
    • 54

    Chance Thunderstorms

    • 35
    • 59

    Mostly Sunny

    • 31
    • 51

    Chance Rain/Snow

Today 30 Apr Central Black Hills

Mostly sunny this Morning, then becoming partly cloudy. Highs in the upper 40s. North Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 30 Apr Central Black Hills

Partly cloudy in the Evening, then clearing. Lows in the upper 20s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harney Peak Temperature Statistics

April Temperature

Custer, Custer County Airport (9.9 miles)

  • Lowest 7 April, 2026

    20.6 °F

  • Average April

    40.2 °F

  • Highest 11 April, 2026

    72.6 °F

Climate (2021–Present)

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

    56.9 °F
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