Keystone Weather Forecast

    • 45
    • 56

    Mostly Sunny

    • 34
    • 66

    Partly Sunny

    • 42
    • 53

    Partly Sunny

    • 36
    • 63

    Partly Sunny

    • 43
    • 55

    Partly Sunny

    • 38
    • 60

    Mostly Cloudy

Today 1 Nov Central Black Hills

Mostly sunny in the Morning, then becoming partly cloudy. Not as cool with Highs in the mid 50s. West Winds 5 to 10 Mph.

Tonight 1 Nov Central Black Hills

Mostly clear. Near steady temperature in the lower 20s. West Winds around 5 Mph.

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Keystone Temperature Statistics

November Temperature

Custer, Custer County Airport (14.9 miles)

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Climate (2020–Present)

Custer, Custer County Airport (14.9 miles)

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  • Average Low 2020–2025

    33.2 °F
  • Average 2020–2025

    44.9 °F
  • Average High 2020–2025

    56.3 °F
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