Horn Weather Forecast

    • -6
    • 6

    Cold

    • 16
    • 29

    Partly Sunny

    • 26
    • 39

    Mostly Cloudy

    • 30
    • 40

    Chance Rain

    • 11
    • 41

    Partly Sunny

    • 22
    • 32

    Mostly Cloudy

Today 14 Dec Johnson

Sunny, cold with Highs around 4 above. Northwest Winds 5 to 10 Mph, becoming west in the afternoon. Wind chill Values as low as 28 below.

Tonight 14 Dec Johnson

Mostly clear. Cold with Lows around 4 below. Temperature rising to around 10 above after midnight. South Winds 10 to 15 Mph. Wind chill Values as low as 18 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Horn Temperature Statistics

December Temperature

Iowa City Municipal Airport (1.2 miles)

  • Lowest 4 December, 2025

    -5.1 °F

  • Average December

    22.4 °F

  • Highest 9 December, 2025

    43 °F

Climate (2020–Present)

Iowa City Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.8 °F
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