Sully Lake Weather Forecast

    • 40
    • 75

    Mostly Cloudy

    • 23
    • 63

    Rain/Snow Likely

    • 17
    • 40

    Breezy

    • 25
    • 46

    Partly Sunny

    • 29
    • 63

    Partly Sunny

    • 18
    • 45

    Chance Snow

    • 19
    • 42

    Partly Sunny

Today 13 Mar Sully

Partly sunny. Southwest Winds 15 to 20 Mph.

Tonight 13 Mar Sully

Partly cloudy until early morning then becoming mostly cloudy. Lows in the lower 40s. South Winds 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sully Lake Temperature Statistics

March Temperature

Pierre, Pierre Regional Airport (23.6 miles)

  • Lowest 11 March, 2025

    15.1 °F

  • Average March

    37 °F

  • Highest 10 March, 2025

    73.9 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    61 °F
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