Fort Pierre Weather Forecast

    • 27
    • 49

    Partly Sunny

    • 29
    • 44

    Mostly Cloudy

    • 35
    • 46

    Partly Sunny

    • 22
    • 57

    Mostly Cloudy

    • 27
    • 46

    Partly Sunny

    • 17
    • 40

    Partly Sunny

Today 22 Dec Stanley

Partly sunny. Highs in the upper 40s. West Winds 5 to 10 Mph.

Tonight 22 Dec Stanley

Partly cloudy. Lows in the upper 20s. Northwest Winds 5 to 10 Mph.

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Fort Pierre Temperature Statistics

December Temperature

Pierre, Pierre Regional Airport (4.3 miles)

  • Lowest 14 December, 2025

    -9.9 °F

  • Average December

    24.9 °F

  • Highest 17 December, 2025

    55 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    61.2 °F
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