Keystone Weather Forecast

    • 21
    • 40

    Mostly Sunny

    • 26
    • 42

    Partly Sunny

    • 39
    • 59

    Partly Sunny

    • 36
    • 55

    Partly Sunny

    • 37
    • 55

    Partly Sunny

    • 46
    • 64

    Slight Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

Today 19 Apr Central Black Hills

Mostly sunny. Highs in the mid 30s to lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 19 Apr Central Black Hills

Mostly clear. Lows 15 to 20. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Temperature Statistics

April Temperature

Custer, Custer County Airport (14.9 miles)

  • Lowest 11 April, 2024

    22.7 °F

  • Average April

    42.5 °F

  • Highest 13 April, 2024

    76.6 °F

Climate (2019–Present)

Custer, Custer County Airport (14.9 miles)

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  • Average Low 2019–2024

    32.9 °F

  • Average 2019–2024

    44 °F

  • Average High 2019–2024

    54.8 °F
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