Agar Weather Forecast

    • 66
    • 90

    Chance Rain Showers

    • 65
    • 90

    Chance Rain Showers

    • 55
    • 84

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 57
    • 84

    Partly Sunny

    • 55
    • 85

    Mostly Sunny

Today 6 Sep Sully

Partly sunny. A slight chance of Thunderstorms in the morning. Hot with Highs around 90. Southeast Winds 15 to 20 Mph. Chance of rain 20 percent.

Tonight 6 Sep Sully

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A chance of Showers after midnight. Humid with Lows in the upper 60s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

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Agar Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 1 September, 2026

    56.6 °F

  • Average September

    75.5 °F

  • Highest 3 September, 2026

    99 °F

Climate (2021–2026)

Pierre, Pierre Regional Airport (32.9 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    61.4 °F
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