Coralville Lake Weather Forecast

    • 71
    • 88

    Slight Chance Thunderstorms

    • 70
    • 86

    Rain Showers Likely

    • 68
    • 82

    Rain Showers Likely

    • 67
    • 80

    Rain Showers Likely

    • 70
    • 84

    Rain Showers Likely

    • 66
    • 82

    Slight Chance Rain Showers

Today 11 Aug Johnson

Mostly sunny. A chance of Showers and Thunderstorms late this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 11 Aug Johnson

Mostly clear in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows around 70. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coralville Lake Temperature Statistics

August Temperature

Cedar Rapids Airport (9.9 miles)

  • Lowest 3 August, 2026

    60.1 °F

  • Average August

    71 °F

  • Highest 7 August, 2026

    82.9 °F

Climate (2021–2026)

Cedar Rapids Airport (9.9 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    61.5 °F
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