Coralville Weather Forecast

    • 72
    • 95

    Slight Chance Thunderstorms

    • 73
    • 93

    Mostly Sunny

    • 73
    • 92

    Slight Chance Thunderstorms

    • 72
    • 91

    Slight Chance Thunderstorms

    • 70
    • 91

    Partly Sunny

    • 68
    • 87

    Chance Rain Showers

    • 64
    • 84

    Slight Chance Thunderstorms

Today 1 Sep Johnson

Mostly sunny. Hot. Near steady temperature in the lower 90s. Southwest Winds around 10 Mph. Heat index Values up to 102.

Tonight 1 Sep Johnson

Mostly clear. Lows in the lower 70s. South Winds around 5 Mph. Heat index Values up to 100 early this evening.

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Coralville Temperature Statistics

September Temperature

Iowa City Municipal Airport (3.7 miles)

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Climate (2021–2026)

Iowa City Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.2 °F
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