Mann Weather Forecast

    • 72
    • 83

    Chance Thunderstorms

    • 63
    • 84

    Becoming Sunny

    • 64
    • 82

    Mostly Sunny

    • 66
    • 84

    Rain Showers

    • 60
    • 79

    Slight Chance Thunderstorms

    • 61
    • 78

    Partly Sunny

    • 62
    • 79

    Slight Chance Rain Showers

Today 15 Aug Johnson

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Aug Johnson

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 50 percent.

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Mann Temperature Statistics

August Temperature

Iowa City Municipal Airport (1.9 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    74.7 °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

    63.3 °F
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