S
M
T
W
T
F
S
31
81°
60°
1
77°
54°
2
79°
58°
3
72°
54°
4
71°
52°
5
73°
59°
6
79°
61°
7
78°
59°
8
74°
57°
9
72°
53°
10
72°
53°
11
74°
54°
12
73°
53°
13
74°
58°
14
77°
59°
15
73°
59°
16
74°
56°
17
73°
54°
18
73°
54°
19
75°
55°
20
75°
56°
21
77°
64°
22
80°
64°
23
80°
63°
24
79°
64°
25
78°
63°
26
79°
64°
27
83°
65°
28
85°
66°
29
87°
64°
30
87°
58°
1
83°
56°
2
80°
55°
3
79°
57°
4
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Naperville
Naperville's June 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 52° and 66°. The average high for June is 77° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Naperville. See also: July | August | September.
