Iowa City Municipal Airport Weather Forecast

    • 64
    • 83

    Rain Showers

    • 58
    • 70

    Rain Showers Likely

    • 53
    • 64

    Rain Showers Likely

    • 49
    • 62

    Partly Sunny

    • 53
    • 67

    Partly Sunny

    • 55
    • 69

    Partly Sunny

Today 19 Sep Johnson

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the morning. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of rain 70 percent.

Tonight 19 Sep Johnson

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Humid with Lows in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 80 percent.

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Iowa City Municipal Airport Temperature Statistics

September Temperature

Iowa City Municipal Airport (0 miles)

  • Lowest 13 September, 2026

    55.7 °F

  • Average September

    75.4 °F

  • Highest 1 September, 2026

    95.6 °F

Climate (2021–2026)

Iowa City Municipal Airport (0 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.3 °F
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