Sheridan Lake Weather Forecast

    • 21
    • 38

    Increasing Clouds

    • 36
    • 49

    Mostly Cloudy

    • 31
    • 58

    Mostly Cloudy

    • 42
    • 56

    Mostly Cloudy

    • 40
    • 62

    Partly Sunny

    • 33
    • 57

    Partly Sunny

Today 20 Dec Central Black Hills

Partly cloudy. Highs in the lower 30s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Central Black Hills

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 20s. West Winds 5 to 10 Mph.

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Sheridan Lake Temperature Statistics

December Temperature

Custer, Custer County Airport (18 miles)

  • Lowest 1 December, 2025

    7 °F

  • Average December

    31.1 °F

  • Highest 14 December, 2025

    57 °F

Climate (2020–Present)

Custer, Custer County Airport (18 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    56.2 °F
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