Waterbury Weather Forecast
- 57
- 74
Slight Chance Rain Showers
- 56
- 70
Chance Thunderstorms
- 58
- 74
Chance Thunderstorms
- 60
- 77
Slight Chance Rain Showers
- 54
- 77
Chance Thunderstorms
- 53
- 71
Chance Rain Showers
Today 18 Sep Dixon
Mostly cloudy. Highs in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 18 Sep Dixon
Mostly cloudy with a 20 percent chance of Showers. Lows in the upper 50s. Southwest Winds 5 to 10 Mph, becoming west after midnight.
Waterbury Temperature Statistics
September Temperature
Sioux City, Sioux Gateway Airport (18 miles)
Lowest 7 September, 2025
37.9 °FAverage September
65.5 °FHighest 13 September, 2025
91.9 °F
Climate (2020–Present)
Sioux City, Sioux Gateway Airport (18 miles)
Average Low 2020–2025
38.8 °FAverage 2020–2025
50.7 °FAverage High 2020–2025
62.6 °F