Harney Peak Weather Forecast

    • 58
    • 65

    Thunderstorms

    • 65
    • 85

    Mostly Sunny

    • 71
    • 92

    Slight Chance Thunderstorms

    • 68
    • 90

    Slight Chance Thunderstorms

    • 64
    • 87

    Chance Thunderstorms

    • 62
    • 81

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

Today 23 Jul Central Black Hills

Showers likely and scattered Thunderstorms. Highs in the upper 60s to mid 70s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 23 Jul Central Black Hills

Partly cloudy with scattered Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the upper 50s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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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 °F

  • Highest 12 July, 2026

    91.7 °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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