Mann Weather Forecast

    • 64
    • 86

    Chance Thunderstorms

    • 59
    • 82

    Sunny

    • 60
    • 80

    Partly Sunny

    • 63
    • 78

    Partly Sunny

    • 66
    • 82

    Chance Thunderstorms

    • 64
    • 84

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

Today 21 Aug Johnson

Sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 21 Aug Johnson

Mostly clear. A chance of Showers and Thunderstorms this evening. Lows in the mid 60s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mann Temperature Statistics

August Temperature

Iowa City Municipal Airport (1.9 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    75.2 °F

  • Highest 10 August, 2026

    90 °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

    52.9 °F

  • Average High 2021–2026

    63.2 °F
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