S
M
T
W
T
F
S
29
61°
41°
30
83°
48°
31
80°
51°
1
51°
38°
2
73°
42°
3
66°
44°
4
51°
40°
5
54°
33°
6
54°
37°
7
42°
33°
8
73°
40°
9
73°
47°
10
57°
39°
11
58°
36°
12
77°
57°
13
79°
64°
14
84°
63°
15
73°
57°
16
77°
53°
17
82°
54°
18
59°
34°
19
53°
34°
20
66°
44°
21
68°
52°
22
71°
48°
23
68°
47°
24
66°
41°
25
67°
45°
26
65°
44°
27
60°
44°
28
59°
45°
29
66°
43°
30
60°
40°
1
62°
48°
2
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Galesburg
Galesburg's April 2026 forecast shows daily high temperatures ranging from 53° to 84°, with overnight lows between 34° and 64°. The average high for April is 67° with an average low of 48°. 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 Galesburg. See also: May | June | July.
