Waterbury Weather Forecast

    • 39
    • 71

    Decreasing Clouds

    • 40
    • 71

    Mostly Sunny

    • 57
    • 83

    Breezy

    • 48
    • 82

    Breezy

    • 51
    • 79

    Partly Sunny

    • 55
    • 86

    Slight Chance Thunderstorms

Today 9 May Dixon

Partly sunny with a chance of Sprinkles early this Morning, then mostly cloudy this afternoon. Highs in the lower 70s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 May Dixon

Partly cloudy. Lows in the upper 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northeast around 5 Mph after midnight.

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Waterbury Temperature Statistics

May Temperature

Sioux City, Sioux Gateway Airport (18 miles)

  • Lowest 2 May, 2026

    27.6 °F

  • Average May

    51.1 °F

  • Highest 3 May, 2026

    74.6 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (18 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.3 °F
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