Agar Weather Forecast

    • 56
    • 66

    Chance Thunderstorms

    • 54
    • 72

    Mostly Cloudy

    • 55
    • 67

    Rain Showers Likely

    • 53
    • 75

    Partly Sunny

    • 55
    • 70

    Chance Rain Showers

    • 49
    • 71

    Rain Showers Likely

Today 23 Sep Sully

Cloudy. A slight chance of Thunderstorms this afternoon. Breezy with Highs in the upper 60s. Southeast Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

Tonight 23 Sep Sully

Mostly cloudy. A chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Breezy with Lows in the mid 50s. Southeast Winds 15 to 25 Mph. Gusts up to 40 Mph in the evening. Chance of rain 50 percent.

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Agar Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 17 September, 2026

    47.6 °F

  • Average September

    69.1 °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

    61.4 °F
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