The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Waukegon, IL
Content continues below
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
21°
18
23°
19
23°
20
10°
21
10°
22
14°
23
16°
24
17°
25
18°
26
20°
27
20°
28
19°
29
19°
30
19°
31
19°
Forecast
Sunday, May 17, 2026
Day
21°
Feels 21
Wind
25 km/h SE
Gust
38 km/h
Humidity
64%
P.O.P
40%
Rain
<1 mm
Night
19°
Feels 19
Wind
29 km/h S
Gust
44 km/h
Humidity
73%
P.O.P
40%
Rain
<1 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
18°
Feels 18
Low
9°
Feels 7
Average Precipitation
11 Days
Rain amount
85.4mm
Snow amount
0cm