Mann Weather Forecast

    • 44
    • 65

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

    • 48
    • 66

    Mostly Cloudy

    • 50
    • 64

    Slight Chance Thunderstorms

    • 53
    • 74

    Partly Sunny

    • 59
    • 82

    Slight Chance Thunderstorms

Today 19 May Johnson

Mostly cloudy. A chance of Showers and Thunderstorms early this morning. Some Thunderstorms may produce damaging Winds and large hail early. Not as warm with Highs in the mid 60s. Southwest Winds 10 to 15 Mph, becoming northwest this afternoon. Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 19 May Johnson

Mostly cloudy in the Evening, then becoming partly cloudy. Much cooler with Lows in the mid 40s. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mann Temperature Statistics

May Temperature

Iowa City Municipal Airport (1.9 miles)

  • Lowest 7 May, 2026

    34 °F

  • Average May

    60.4 °F

  • Highest 15 May, 2026

    84 °F

Climate (2021–Present)

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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