Agar Weather Forecast

    • 31
    • 56

    Decreasing Clouds

    • 41
    • 68

    Breezy

    • 41
    • 70

    Chance Rain Showers

    • 41
    • 66

    Chance Rain Showers

    • 46
    • 75

    Partly Sunny

    • 50
    • 82

    Mostly Sunny

Today 19 May Sully

Partly sunny with a chance of Sprinkles. Not as cool with Highs in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 19 May Sully

Mostly clear. Areas of frost after midnight. Cold with Lows in the lower 30s. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast after midnight.

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Agar Temperature Statistics

May Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 1 May, 2026

    24.7 °F

  • Average May

    54.4 °F

  • Highest 11 May, 2026

    87.7 °F

Climate (2021–Present)

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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