Coralville Weather Forecast

    • 71
    • 89

    Chance Thunderstorms

    • 70
    • 86

    Rain Showers

    • 67
    • 81

    Rain Showers

    • 69
    • 82

    Rain Showers Likely

    • 70
    • 86

    Chance Rain Showers

    • 65
    • 83

    Slight Chance Thunderstorms

    • 64
    • 80

    Mostly Cloudy

Today 11 Aug Johnson

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 11 Aug Johnson

Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 40 percent. Heat index Values up to 105 early this evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Coralville Temperature Statistics

August Temperature

Iowa City Municipal Airport (3.7 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    73.1 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Iowa City Municipal Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads