Jefferson Weather Forecast
- 33
- 75
Rain
- 22
- 43
Chance Rain/Snow
- 30
- 52
Mostly Sunny
- 43
- 70
Mostly Sunny
- 26
- 68
Partly Sunny
- 23
- 43
Chance Snow
Today 14 Mar Union
Partly sunny. A chance of rain in the afternoon. Highs in the mid 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.
Tonight 14 Mar Union
Rain. A chance of Thunderstorms in the Evening, then a slight chance of snow after midnight. Little or no snow accumulation. Windy and much cooler with Lows in the lower 30s. East Winds 10 to 15 Mph with Gusts up to 30 Mph, increasing to northwest 20 to 30 Mph with Gusts up to 50 Mph after midnight. Chance of precipitation 90 percent.
Jefferson Temperature Statistics
March Temperature
Sioux City, Sioux Gateway Airport (16.2 miles)
Lowest 2 March, 2025
18.8 °FAverage March
37.6 °FHighest 10 March, 2025
73 °F
Climate (2020–Present)
Sioux City, Sioux Gateway Airport (16.2 miles)
Average Low 2020–2025
38.8 °FAverage 2020–2025
50.5 °FAverage High 2020–2025
62.3 °F