Custer Weather Forecast

    • 52
    • 66

    Rain Showers Likely

    • 44
    • 62

    Rain Showers Likely

    • 43
    • 65

    Rain Showers

    • 43
    • 67

    Slight Chance Thunderstorms

    • 45
    • 66

    Chance Thunderstorms

    • 48
    • 68

    Rain Showers Likely

Today 20 Jun Central Black Hills

Mostly cloudy. A slight chance of rain Showers and Thunderstorms this Morning, then a chance of rain Showers and Thunderstorms this afternoon. Highs in the mid 60s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 20 Jun Central Black Hills

Cloudy with a chance of Thunderstorms. Showers likely in the Evening, then a chance of Showers after midnight. Areas of fog after midnight. Lows in the lower 50s. South Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

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Custer Temperature Statistics

June Temperature

Custer, Custer County Airport (2.5 miles)

  • Lowest 14 June, 2026

    33.7 °F

  • Average June

    58.5 °F

  • Highest 7 June, 2026

    86.6 °F

Climate (2021–2026)

Custer, Custer County Airport (2.5 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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