Harney Peak Weather Forecast

    • 57
    • 75

    Slight Chance Thunderstorms

    • 66
    • 83

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

    • 49
    • 75

    Chance Rain Showers

    • 49
    • 63

    Chance Rain Showers

    • 56
    • 71

    Slight Chance Thunderstorms

Today 31 Jul Central Black Hills

Sunny in the Morning, then partly cloudy with a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. North Winds around 5 Mph, becoming east with Gusts up to 20 Mph in the afternoon. Chance of rain 40 percent.

Tonight 31 Jul Central Black Hills

Partly cloudy in the Evening, then clearing. Lows in the upper 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harney Peak Temperature Statistics

July Temperature

Custer, Custer County Airport (9.9 miles)

  • Lowest 3 July, 2026

    50.6 °F

  • Average July

    71.5 °F

  • Highest 25 July, 2026

    96.7 °F

Climate (2021–2026)

Custer, Custer County Airport (9.9 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    56.9 °F
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