North Sioux City Weather Forecast
- 53
- 72
Partly Sunny
- 53
- 73
Partly Sunny
- 62
- 81
Mostly Sunny
- 67
- 86
Mostly Sunny
- 66
- 87
Partly Sunny
- 63
- 86
Partly Sunny
Today 26 Sep Union
Partly sunny. Patchy fog this morning. A slight chance of Sprinkles this afternoon. Highs in the lower 70s. North Winds 5 to 10 Mph.
Tonight 26 Sep Union
Partly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph.
North Sioux City Temperature Statistics
September Temperature
Sioux City, Sioux Gateway Airport (9.9 miles)
Lowest 7 September, 2023
43.6 °FAverage September
69.9 °FHighest 2 September, 2023
102.7 °F
Climate (2010–Present)
Sioux City, Sioux Gateway Airport (9.9 miles)
Average Low 2010–Present
39.3 °FAverage 2010–Present
50.6 °FAverage High 2010–Present
62.3 °F