Waterbury Weather Forecast

    • 34
    • 59

    Mostly Sunny

    • 39
    • 60

    Mostly Cloudy

    • 42
    • 63

    Rain Showers Likely

    • 44
    • 63

    Chance Rain Showers

    • 49
    • 73

    Partly Sunny

    • 55
    • 81

    Slight Chance Thunderstorms

Today 19 May Dixon

Partly sunny. Highs in the upper 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 May Dixon

Mostly clear. Patchy frost after midnight. Lows in the mid 30s. North Winds 10 to 15 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

    58.9 °F

  • Highest 15 May, 2026

    95.6 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (18 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.4 °F
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