Iowa City Municipal Airport Weather Forecast

    • 65
    • 82

    Increasing Clouds

    • 60
    • 85

    Decreasing Clouds

    • 56
    • 75

    Rain Showers Likely

    • 67
    • 82

    Rain Showers Likely

    • 61
    • 79

    Rain Showers

    • 61
    • 73

    Rain Showers Likely

    • 58
    • 76

    Chance Thunderstorms

Today 11 Sep Johnson

Sunny. Near steady temperature in the lower 80s. South Winds around 10 Mph.

Tonight 11 Sep Johnson

Partly cloudy. A slight chance of Showers after midnight. Warmer with Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Iowa City Municipal Airport Temperature Statistics

September Temperature

Iowa City Municipal Airport (0 miles)

  • Lowest 7 September, 2026

    66.7 °F

  • Average September

    80.8 °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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