Monthly Historical AveragesSioux City, IA
Average Temperature
High
-2°
Feels -6
Low
-12°
Feels -18
Average Precipitation
5 Days
0mm
21.8cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 1, 2026
Day
1°Feels -3
Wind
15 km/h S
Gust
23 km/h
Humidity
54%
P.O.P
10%
Night
-8°Feels -12
Wind
10 km/h N
Gust
15 km/h
Humidity
92%
P.O.P
30%
Historical AveragesJan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity