Agar Weather Forecast

    • 58
    • 83

    Rain Showers Likely

    • 55
    • 79

    Chance Rain Showers

    • 55
    • 77

    Rain Showers Likely

    • 59
    • 84

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 58
    • 80

    Slight Chance Thunderstorms

Today 17 Aug Sully

Mostly sunny. A slight chance of Thunderstorms this afternoon. Highs in the lower 80s. South Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 17 Aug Sully

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A chance of Showers after midnight. Lows in the upper 50s. Northeast Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 50 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

    73.5 °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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