Sheridan Lake Weather Forecast

    • 38
    • 63

    Slight Chance Thunderstorms

    • 38
    • 64

    Rain Showers Likely

    • 37
    • 57

    Rain Showers Likely

    • 43
    • 69

    Slight Chance Thunderstorms

    • 48
    • 81

    Slight Chance Thunderstorms

    • 52
    • 86

    Mostly Sunny

Today 20 May Central Black Hills

Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 20 May Central Black Hills

Partly cloudy. A slight chance of rain Showers and Thunderstorms in the evening. Lows in the upper 30s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sheridan Lake Temperature Statistics

May Temperature

Custer, Custer County Airport (18 miles)

  • Lowest 6 May, 2026

    17.7 °F

  • Average May

    47.9 °F

  • Highest 11 May, 2026

    81.6 °F

Climate (2021–Present)

Custer, Custer County Airport (18 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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