S
M
T
W
T
F
S
29
65°
37°
30
81°
51°
31
81°
45°
1
50°
42°
2
73°
43°
3
78°
56°
4
69°
39°
5
54°
36°
6
57°
38°
7
47°
32°
8
73°
37°
9
80°
54°
10
63°
43°
11
67°
40°
12
83°
51°
13
84°
65°
14
85°
66°
15
78°
62°
16
77°
57°
17
84°
50°
18
60°
36°
19
61°
33°
20
59°
30°
21
78°
47°
22
81°
57°
23
84°
53°
24
74°
49°
25
75°
47°
26
76°
57°
27
74°
52°
28
69°
47°
29
66°
44°
30
64°
43°
1
59°
38°
2
59°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Champaign
Champaign's April 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 38° and 57°. The average high for April is 68° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Champaign. See also: May | June | July.