Coralville Lake Weather Forecast

    • 55
    • 77

    Increasing Clouds

    • 65
    • 75

    Rain Showers Likely

    • 65
    • 71

    Rain Showers

    • 54
    • 68

    Chance Rain Showers

    • 51
    • 64

    Partly Sunny

    • 53
    • 65

    Partly Sunny

    • 49
    • 64

    Partly Sunny

Today 28 Sep Johnson

Mostly clear. Lows in the upper 40s. Highs around 60.

Tonight 28 Sep Johnson

Mostly clear. Lows in the mid 50s. Southeast 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

    49.6 °F

  • Average September

    69.6 °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

    61.4 °F
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