Monthly Historical AveragesWaukegan, IL
Average Temperature
High
18°
Feels 17
Low
9°
Feels 7
Average Precipitation
12 Days
90.4mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, May 23, 2026
Day
15°Feels 14
Wind
17 km/h N
Gust
26 km/h
Humidity
77%
P.O.P
30%
Night
11°Feels 10
Wind
13 km/h NE
Gust
20 km/h
Humidity
100%
P.O.P
70%
Rain
1-3 mm
Historical AveragesMay 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity