Mann Weather Forecast

    • 54
    • 63

    Rain Showers Likely

    • 48
    • 63

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 54
    • 67

    Mostly Cloudy

    • 55
    • 68

    Mostly Cloudy

    • 57
    • 68

    Slight Chance Rain Showers

Today 21 Sep Johnson

Mostly cloudy. A slight chance of Showers after midnight. Patchy very light drizzle after midnight. A chance of Showers. Highs in the lower 60s. Northeast Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 21 Sep Johnson

Showers likely. Lows in the mid 50s. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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Mann Temperature Statistics

September Temperature

Iowa City Municipal Airport (1.9 miles)

  • Lowest 13 September, 2026

    55.7 °F
  • Average September

    75 °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

    42.7 °F
  • Average 2021–2026

    53 °F
  • Average High 2021–2026

    63.3 °F
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