Agar Weather Forecast

    • 59
    • 82

    Slight Chance Rain Showers

    • 61
    • 81

    Rain Showers

    • 61
    • 86

    Partly Sunny

    • 58
    • 85

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

    • 59
    • 84

    Chance Thunderstorms

Today 22 Aug Sully

Mostly sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 22 Aug Sully

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows around 60. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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Agar Temperature Statistics

August Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 5 August, 2026

    47.6 °F
  • Average August

    73.6 °F
  • Highest 2 August, 2026

    100.7 °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

    48.8 °F
  • Average High 2021–2026

    61.4 °F
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