Horn Weather Forecast

    • 43
    • 63

    Chance Rain Showers

    • 45
    • 71

    Slight Chance Rain Showers

    • 47
    • 78

    Chance Thunderstorms

    • 39
    • 58

    Chance Rain Showers

    • 38
    • 57

    Mostly Cloudy

    • 40
    • 63

    Slight Chance Rain Showers

    • 45
    • 69

    Partly Sunny

Today 2 May Johnson

Sunny. Near steady temperature in the upper 50s. West Winds 5 to 10 Mph.

Tonight 2 May Johnson

Mostly clear this Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 40s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Horn Temperature Statistics

May Temperature

Iowa City Municipal Airport (1.2 miles)

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Climate (2021–Present)

Iowa City Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.2 °F
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