Waterbury Weather Forecast

    • 54
    • 80

    Becoming Sunny

    • 62
    • 80

    Mostly Sunny

    • 63
    • 87

    Chance Thunderstorms

    • 54
    • 74

    Chance Rain Showers

    • 56
    • 68

    Rain Showers Likely

    • 52
    • 71

    Slight Chance Rain Showers

Today 9 Sep Dixon

Sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 9 Sep Dixon

Mostly clear. Lows in the mid 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waterbury Temperature Statistics

September Temperature

Sioux City, Sioux Gateway Airport (18 miles)

  • Lowest 1 September, 2026

    67.6 °F

  • Average September

    80.1 °F

  • Highest 3 September, 2026

    93.7 °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

    51.3 °F

  • Average High 2021–2026

    63.4 °F
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