Custer State Park Weather Forecast

    • 33
    • 53

    Rain Showers

    • 38
    • 58

    Mostly Sunny

    • 46
    • 69

    Sunny

    • 47
    • 72

    Mostly Sunny

    • 41
    • 65

    Rain Showers Likely

    • 40
    • 55

    Rain Showers Likely

    • 43
    • 60

    Chance Rain Showers

Today 1 May Central Black Hills

Numerous rain Showers and scattered Thunderstorms. Highs in the mid 40s to lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 1 May Central Black Hills

Partly cloudy with scattered rain Showers, snow Showers and isolated Thunderstorms this Evening, then clear after midnight. Little or no snow accumulation. Lows in the lower 30s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph, decreasing to 20 Mph after midnight. Chance of precipitation 50 percent.

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Custer State Park Temperature Statistics

May Temperature

Custer, Custer County Airport (8.7 miles)

  • Lowest

  • Average May

  • Highest

Climate (2020–Present)

Custer, Custer County Airport (8.7 miles)

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  • Average Low 2020–2025

    33.1 °F
  • Average 2020–2025

    44.8 °F
  • Average High 2020–2025

    56.1 °F
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