Agar Weather Forecast

    • 52
    • 69

    Rain Showers

    • 47
    • 73

    Rain Showers Likely

    • 46
    • 66

    Partly Sunny

    • 48
    • 67

    Slight Chance Rain Showers

    • 50
    • 70

    Chance Rain Showers

    • 49
    • 73

    Slight Chance Thunderstorms

Today 13 Sep Sully

Mostly cloudy with a slight chance of Showers this Morning, then partly sunny this afternoon. Highs around 70. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 13 Sep Sully

Showers with a chance of Thunderstorms after midnight. Breezy with Lows in the lower 50s. Southeast Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

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Agar Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 10 September, 2026

    53.7 °F

  • Average September

    76.1 °F

  • Highest 5 September, 2026

    102.7 °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

    61.5 °F
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