Picayune Airport Weather Forecast

    • 71
    • 88

    Chance Thunderstorms

    • 71
    • 87

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

    • 67
    • 84

    Chance Rain Showers

    • 63
    • 78

    Chance Thunderstorms

    • 62
    • 75

    Chance Rain Showers

Today 9 Aug Johnson

Cloudy this Morning, then becoming partly sunny. A chance of Thunderstorms. Showers Likely, mainly this morning. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent. Heat index Values up to 101 this afternoon.

Tonight 9 Aug Johnson

Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Humid with Lows in the lower 70s. East Winds 5 to 10 Mph. Chance of rain 30 percent. Heat index Values up to 101 early in the evening.

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Picayune Airport Temperature Statistics

August Temperature

Iowa City Municipal Airport (5 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    72.8 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Iowa City Municipal Airport (5 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.3 °F
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