Agar Weather Forecast

    • 63
    • 95

    Chance Thunderstorms

    • 52
    • 84

    Chance Rain Showers

    • 49
    • 77

    Sunny

    • 45
    • 73

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

Today 21 Aug Sully

Partly sunny with a 20 percent chance of Thunderstorms. Hot with Highs in the mid 90s. Northwest Winds 10 to 15 Mph.

Tonight 21 Aug Sully

Partly cloudy with a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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Agar Temperature Statistics

August Temperature

Pierre, Pierre Regional Airport (32.9 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 (32.9 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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