Brown Field Weather Forecast

    • 30
    • 56

    Breezy

    • 44
    • 72

    Breezy

    • 33
    • 59

    Breezy

    • 32
    • 60

    Mostly Sunny

    • 36
    • 66

    Mostly Sunny

    • 35
    • 66

    Mostly Sunny

    • 42
    • 70

    Mostly Sunny

Today 18 Oct Custer Co Plains

Breezy, sunny. Highs in the mid 50s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 18 Oct Custer Co Plains

Clear. Lows in the upper 20s. West Winds 5 to 10 Mph.

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Brown Field Temperature Statistics

October Temperature

Rapid City, Rapid City Regional Airport (23 miles)

  • Lowest 13 October, 2025

    27 °F

  • Average October

    57.2 °F

  • Highest 3 October, 2025

    95 °F

Climate (2020–Present)

Rapid City, Rapid City Regional Airport (23 miles)

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  • Average Low 2020–2025

    35.4 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    62.2 °F
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