Agar Weather Forecast

    • 54
    • 66

    Patchy Fog

    • 52
    • 66

    Chance Rain Showers

    • 50
    • 62

    Rain Showers

    • 47
    • 62

    Mostly Cloudy

    • 51
    • 67

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

    • 54
    • 73

    Partly Sunny

Today 18 Sep Sully

Partly sunny. Highs in the mid 70s.

Tonight 18 Sep Sully

Cloudy. Patchy fog. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Agar Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 15 September, 2026

    48 °F

  • Average September

    71.6 °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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