Agar Weather Forecast

    • 55
    • 66

    Slight Chance Rain Showers

    • 49
    • 61

    Rain Showers Likely

    • 43
    • 61

    Mostly Cloudy

    • 49
    • 64

    Partly Sunny

    • 52
    • 68

    Rain Showers Likely

    • 53
    • 74

    Partly Sunny

    • 56
    • 74

    Chance Rain Showers

Today 19 Sep Sully

Mostly cloudy in the Morning, then becoming partly sunny. A 30 percent chance of Showers. Highs in the mid 70s.

Tonight 19 Sep Sully

Cloudy. A slight chance of Showers after midnight. Lows in the mid 50s. Northeast Winds around 10 Mph. Chance of rain 20 percent.

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Agar Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 17 September, 2026

    48 °F

  • Average September

    71 °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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