S
M
T
W
T
F
S
31
79°
60°
1
83°
59°
2
81°
62°
3
75°
58°
4
74°
55°
5
75°
60°
6
79°
64°
7
79°
64°
8
76°
60°
9
75°
57°
10
75°
56°
11
76°
58°
12
75°
57°
13
77°
60°
14
78°
65°
15
81°
66°
16
80°
65°
17
78°
58°
18
76°
58°
19
77°
59°
20
78°
61°
21
79°
67°
22
79°
68°
23
81°
68°
24
81°
67°
25
82°
68°
26
82°
68°
27
84°
67°
28
86°
68°
29
88°
69°
30
88°
62°
1
85°
60°
2
81°
61°
3
80°
60°
4
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Champaign
Champaign's June 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 55° and 69°. The average high for June is 80° with an average low of 62°. 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 Champaign. See also: July | August | September.