Waterbury Weather Forecast

    • 55
    • 65

    Rain Showers Likely

    • 57
    • 64

    Rain Showers

    • 58
    • 65

    Rain Showers

    • 59
    • 73

    Mostly Cloudy

    • 60
    • 76

    Partly Sunny

    • 59
    • 75

    Rain Showers Likely

Today 23 Sep Dixon

Patchy fog in the morning. Mostly cloudy with scattered Showers in the Morning, then partly sunny with scattered Sprinkles in the afternoon. Highs in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 23 Sep Dixon

Mostly cloudy. Showers likely with a slight chance of Thunderstorms after midnight. Lows in the mid 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Waterbury Temperature Statistics

September Temperature

Sioux City, Sioux Gateway Airport (18 miles)

  • Lowest 10 September, 2026

    50.6 °F

  • Average September

    72 °F

  • Highest 18 September, 2026

    96.7 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (18 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    63.4 °F
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