Coralville Lake Weather Forecast

    • 56
    • 65

    Mostly Cloudy

    • 58
    • 62

    Rain Showers Likely

    • 57
    • 66

    Chance Rain Showers

    • 57
    • 70

    Partly Sunny

    • 62
    • 68

    Rain Showers Likely

    • 60
    • 68

    Rain Showers Likely

    • 56
    • 69

    Chance Rain Showers

Today 25 Sep Johnson

Partly sunny. A chance of Showers in the morning. Highs around 70. Chance of rain 40 percent.

Tonight 25 Sep Johnson

Mostly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Real-Time

Coralville Lake Temperature Statistics

September Temperature

Cedar Rapids Airport (9.9 miles)

  • Lowest 23 September, 2026

    48.9 °F

  • Average September

    70.6 °F

  • Highest 3 September, 2026

    94.6 °F

Climate (2021–2026)

Cedar Rapids Airport (9.9 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.5 °F
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