Hill City Weather Forecast

    • 53
    • 80

    Thunderstorms Likely

    • 51
    • 71

    Rain Showers Likely

    • 49
    • 62

    Rain Showers Likely

    • 52
    • 75

    Partly Sunny

    • 47
    • 71

    Chance Thunderstorms

    • 46
    • 62

    Chance Rain Showers

Today 12 Sep Central Black Hills

Partly cloudy. Isolated Showers and Thunderstorms this afternoon. Highs around 80. North Winds around 5 Mph, becoming southeast this afternoon. Chance of rain 20 percent.

Tonight 12 Sep Central Black Hills

Mostly cloudy with scattered Showers and Thunderstorms. Lows in the mid 50s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hill City Temperature Statistics

September Temperature

Custer, Custer County Airport (13.7 miles)

  • Lowest 6 September, 2025

    32 °F

  • Average September

    59.2 °F

  • Highest 2 September, 2025

    78.1 °F

Climate (2020–Present)

Custer, Custer County Airport (13.7 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.2 °F
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