Custer County Airport Weather Forecast

    • 54
    • 73

    Chance Thunderstorms

    • 54
    • 77

    Slight Chance Thunderstorms

    • 50
    • 74

    Chance Thunderstorms

    • 51
    • 75

    Chance Thunderstorms

    • 53
    • 80

    Chance Thunderstorms

Today 16 Aug Central Black Hills

Partly cloudy. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Aug Central Black Hills

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Custer County Airport Temperature Statistics

August Temperature

Custer, Custer County Airport (0 miles)

  • Lowest 4 August, 2026

    42.7 °F

  • Average August

    67.7 °F

  • Highest 2 August, 2026

    93.7 °F

Climate (2021–2026)

Custer, Custer County Airport (0 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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