Waterbury Weather Forecast

    • 70
    • 93

    Slight Chance Thunderstorms

    • 66
    • 84

    Rain Showers

    • 63
    • 76

    Rain Showers Likely

    • 65
    • 78

    Chance Thunderstorms

    • 63
    • 80

    Chance Thunderstorms

    • 59
    • 75

    Partly Sunny

    • 62
    • 76

    Chance Thunderstorms

Today 11 Aug Dixon

Mostly sunny. Highs in the upper 80s. East Winds 5 to 10 Mph. Heat index Values in the upper 90s.

Tonight 11 Aug Dixon

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 104 early this evening.

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Waterbury Temperature Statistics

August Temperature

Sioux City, Sioux Gateway Airport (18 miles)

  • Lowest 8 August, 2026

    50.6 °F

  • Average August

    70.8 °F

  • Highest 3 August, 2026

    87.7 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (18 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.4 °F
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