Waterbury Weather Forecast

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    • 79

    Chance Thunderstorms

    • 60
    • 78

    Chance Rain Showers

    • 63
    • 79

    Chance Thunderstorms

    • 63
    • 80

    Chance Thunderstorms

    • 59
    • 80

    Chance Thunderstorms

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    • 75

    Chance Rain Showers

Today 18 Sep Polk

Patchy fog this morning. Partly sunny this Morning, then mostly cloudy with a chance of Showers and Thunderstorms this afternoon. Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Sep Polk

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Patchy fog after midnight. Humid with Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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Waterbury Temperature Statistics

September Temperature

Des Moines International Airport (4.3 miles)

  • Lowest 7 September, 2025

    43 °F

  • Average September

    69.2 °F

  • Highest 13 September, 2025

    96.1 °F

Climate (2020–Present)

Des Moines International Airport (4.3 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.9 °F
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