S
M
T
W
T
F
S
29
60°
44°
30
82°
61°
31
83°
64°
1
71°
51°
2
76°
57°
3
82°
65°
4
75°
46°
5
61°
40°
6
65°
38°
7
57°
44°
8
76°
41°
9
80°
58°
10
69°
53°
11
78°
58°
12
81°
64°
13
85°
67°
14
86°
66°
15
82°
59°
16
79°
55°
17
71°
50°
18
69°
50°
19
76°
56°
20
75°
55°
21
74°
54°
22
71°
47°
23
69°
55°
24
74°
54°
25
74°
50°
26
67°
47°
27
68°
49°
28
72°
54°
29
74°
57°
30
74°
56°
1
76°
55°
2
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fairview Heights
Fairview Heights's April 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 47° and 67°. The average high for April is 75° with an average low of 55°. 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 Fairview Heights. See also: May | June | July.
