Coralville Lake Weather Forecast

    • 72
    • 94

    Slight Chance Thunderstorms

    • 67
    • 87

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 69
    • 88

    Mostly Cloudy

    • 67
    • 80

    Chance Thunderstorms

    • 66
    • 83

    Mostly Sunny

Today 27 Jul Johnson

Partly sunny this Morning, then clearing. Patchy dense fog this morning. A slight chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 116 this afternoon.

Tonight 27 Jul Johnson

Mostly clear in the Evening, then becoming partly cloudy. Patchy smoke. Humid with Lows in the lower 70s. Northwest Winds 5 to 10 Mph. Heat index Values up to 115 early in the evening.

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Coralville Lake Temperature Statistics

July Temperature

Cedar Rapids Airport (9.9 miles)

  • Lowest 23 July, 2026

    54 °F

  • Average July

    75.5 °F

  • Highest 1 July, 2026

    90 °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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