Penn Weather Forecast

    • 42
    • 72

    Slight Chance Thunderstorms

    • 49
    • 69

    Mostly Sunny

    • 59
    • 75

    Rain Showers

    • 53
    • 77

    Chance Thunderstorms

    • 52
    • 76

    Chance Thunderstorms

    • 47
    • 69

    Chance Rain Showers

    • 46
    • 64

    Chance Rain Showers

Today 4 May Johnson

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 70s. Temperature falling into the mid 60s late. West Winds 15 to 20 Mph. Chance of rain 40 percent.

Tonight 4 May Johnson

Mostly clear. Lows in the lower 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Penn Temperature Statistics

May Temperature

Iowa City Municipal Airport (8.1 miles)

  • Lowest 1 May, 2024

    54 °F

  • Average May

    61.6 °F

  • Highest 1 May, 2024

    71.1 °F

Climate (2019–Present)

Iowa City Municipal Airport (8.1 miles)

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  • Average Low 2019–2024

    42.3 °F

  • Average 2019–2024

    52 °F

  • Average High 2019–2024

    61.8 °F
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