Fort Pierre Weather Forecast

    • 16
    • 32

    Increasing Clouds

    • 21
    • 44

    Decreasing Clouds

    • 13
    • 38

    Mostly Cloudy

    • 17
    • 34

    Mostly Cloudy

    • 20
    • 33

    Mostly Cloudy

    • 24
    • 43

    Partly Sunny

    • 23
    • 46

    Partly Sunny

Today 29 Dec Stanley

Mostly sunny. Not as cold with Highs in the upper 20s. Southwest Winds 5 to 10 Mph.

Tonight 29 Dec Stanley

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cold with Lows around 18. Temperature rising into the mid 20s after midnight. West 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

    27.4 °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

    48.8 °F

  • Average High 2020–2025

    61.2 °F
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