Jefferson Weather Forecast
- 41
- 63
Decreasing Clouds
- 39
- 68
Becoming Sunny
- 36
- 56
Partly Sunny
- 43
- 62
Mostly Cloudy
- 34
- 55
Mostly Cloudy
- 27
- 55
Partly Sunny
- 24
- 46
Partly Sunny
Today 3 Nov Union
Sunny. Highs in the lower 60s. West Winds 5 to 10 Mph.
Tonight 3 Nov Union
Mostly cloudy this Evening, then becoming partly cloudy. Lows around 40. South Winds 5 to 10 Mph.
Jefferson Temperature Statistics
November Temperature
Sioux City, Sioux Gateway Airport (16.2 miles)
Lowest 1 November, 2025
27 °FAverage November
38.7 °FHighest 1 November, 2025
48 °F
Climate (2020–Present)
Sioux City, Sioux Gateway Airport (16.2 miles)
Average Low 2020–2025
39 °FAverage 2020–2025
50.9 °FAverage High 2020–2025
62.8 °F