Custer County Airport Weather Forecast

    • 35
    • 59

    Chance Rain Showers

    • 41
    • 63

    Partly Sunny

    • 34
    • 57

    Rain Showers Likely

    • 40
    • 66

    Mostly Sunny

    • 43
    • 80

    Partly Sunny

    • 42
    • 71

    Slight Chance Thunderstorms

Today 7 May Central Black Hills

Partly cloudy in the Morning, then mostly cloudy with rain Showers likely with isolated Thunderstorms in the afternoon. Highs in the upper 50s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 7 May Central Black Hills

Mostly clear. Lows in the lower 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Custer County Airport Temperature Statistics

May Temperature

Custer, Custer County Airport (0 miles)

  • Lowest 2 May, 2026

    27.6 °F

  • Average May

    46 °F

  • Highest 2 May, 2026

    69.7 °F

Climate (2021–Present)

Custer, Custer County Airport (0 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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