Mann Weather Forecast

    • 67
    • 75

    Rain Showers

    • 64
    • 82

    Rain Showers

    • 59
    • 70

    Rain Showers

    • 55
    • 64

    Chance Rain Showers

    • 51
    • 63

    Partly Sunny

    • 56
    • 68

    Partly Sunny

Today 18 Sep Johnson

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Humid with Highs in the mid 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 18 Sep Johnson

Mostly cloudy. Showers with a chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

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Mann Temperature Statistics

September Temperature

Iowa City Municipal Airport (1.9 miles)

  • Lowest 13 September, 2026

    55 °F

  • Average September

    75.7 °F

  • Highest 1 September, 2026

    95.6 °F

Climate (2021–2026)

Iowa City Municipal Airport (1.9 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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