Dewey Weather Forecast

    • 55
    • 73

    Chance Thunderstorms

    • 57
    • 73

    Chance Rain Showers

    • 53
    • 80

    Chance Thunderstorms

    • 58
    • 82

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

    • 58
    • 85

    Slight Chance Thunderstorms

Today 8 Jun Southern Black Hills

Partly cloudy. Highs in the upper 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Jun Southern Black Hills

Partly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dewey Temperature Statistics

June Temperature

Custer, Custer County Airport (24.9 miles)

  • Lowest 1 June, 2024

    39.7 °F

  • Average June

    59.5 °F

  • Highest 2 June, 2024

    75.7 °F

Climate (2019–Present)

Custer, Custer County Airport (24.9 miles)

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  • Average Low 2019–2024

    32.9 °F

  • Average 2019–2024

    44 °F

  • Average High 2019–2024

    54.9 °F
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