Lake Iowa Weather Forecast

    • 65
    • 90

    Chance Rain Showers

    • 62
    • 89

    Slight Chance Thunderstorms

    • 62
    • 88

    Slight Chance Rain Showers

    • 62
    • 87

    Chance Thunderstorms

    • 59
    • 80

    Chance Thunderstorms

    • 58
    • 78

    Chance Rain Showers

Today 15 Sep Iowa

Mostly cloudy this Morning, then partly sunny with a chance of Showers with a slight chance of Thunderstorms this afternoon. Hot with Highs around 90. Southeast Winds around 5 Mph. Chance of rain 30 percent.

Tonight 15 Sep Iowa

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Lake Iowa Temperature Statistics

September Temperature

Cedar Rapids Airport (28.6 miles)

  • Lowest 7 September, 2025

    39.9 °F

  • Average September

    63.4 °F

  • Highest 13 September, 2025

    93 °F

Climate (2020–Present)

Cedar Rapids Airport (28.6 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    60.8 °F
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