Stone Lake Weather Forecast

    • 51
    • 83

    Chance Rain Showers

    • 48
    • 75

    Mostly Sunny

    • 43
    • 71

    Mostly Sunny

    • 44
    • 71

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 55
    • 80

    Partly Sunny

Today 22 Aug Sully

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then partly sunny in the afternoon. Not as warm with Highs in the mid 80s. North Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 22 Aug Sully

Partly cloudy in the Evening, then clearing. Cooler. Less humid with Lows in the lower 50s. North Winds 10 to 15 Mph.

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Stone Lake Temperature Statistics

August Temperature

Pierre, Pierre Regional Airport (42.9 miles)

  • Lowest 11 August, 2025

    55.7 °F

  • Average August

    76.6 °F

  • Highest 13 August, 2025

    104.6 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (42.9 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    61.2 °F
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