Coralville Weather Forecast

    • 68
    • 83

    Slight Chance Thunderstorms

    • 63
    • 85

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 62
    • 84

    Partly Sunny

    • 67
    • 84

    Chance Rain Showers

    • 70
    • 88

    Chance Thunderstorms

    • 68
    • 87

    Partly Sunny

Today 25 Aug Johnson

Mostly sunny. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph.

Tonight 25 Aug Johnson

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Warmer with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Coralville Temperature Statistics

August Temperature

Iowa City Municipal Airport (3.7 miles)

  • Lowest 23 August, 2026

    57.9 °F

  • Average August

    74.7 °F

  • Highest 10 August, 2026

    90 °F

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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