Agar Weather Forecast

    • 54
    • 83

    Becoming Sunny

    • 51
    • 78

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 51
    • 85

    Mostly Sunny

    • 49
    • 75

    Chance Rain Showers

    • 47
    • 69

    Chance Rain Showers

Today 8 Sep Sully

Partly sunny. Less humid with Highs in the lower 80s. Northwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 8 Sep Sully

Mostly clear. Lows in the mid 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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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

    78 °F

  • Highest 5 September, 2026

    100.9 °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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