Coralville Lake Weather Forecast

    • 66
    • 82

    Increasing Clouds

    • 66
    • 84

    Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 64
    • 78

    Partly Sunny

    • 66
    • 82

    Slight Chance Thunderstorms

Today 20 Aug Johnson

Sunny. Highs in the lower 80s. Southeast Winds around 5 Mph.

Tonight 20 Aug Johnson

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 60s. South Winds around 5 Mph.

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Coralville Lake Temperature Statistics

August Temperature

Cedar Rapids Airport (9.9 miles)

  • Lowest 3 August, 2026

    60.1 °F

  • Average August

    72.6 °F

  • Highest 10 August, 2026

    87.1 °F

Climate (2021–2026)

Cedar Rapids Airport (9.9 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    61.5 °F
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