S
M
T
W
T
F
S
29
72°
38°
30
86°
63°
31
83°
65°
1
67°
49°
2
79°
58°
3
85°
61°
4
76°
38°
5
60°
38°
6
65°
35°
7
57°
42°
8
78°
37°
9
83°
61°
10
70°
54°
11
70°
47°
12
80°
66°
13
85°
69°
14
89°
65°
15
74°
62°
16
84°
59°
17
86°
62°
18
62°
40°
19
69°
37°
20
69°
39°
21
82°
48°
22
76°
57°
23
84°
52°
24
N/A
25
79°
50°
26
77°
62°
27
85°
51°
28
71°
48°
29
69°
46°
30
67°
47°
1
62°
42°
2
66°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Lake St. Louis Township
Lake St. Louis Township's April 2026 forecast shows daily high temperatures ranging from 62° to 85°, with overnight lows between 41° and 62°. The average high for April is 72° 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 Lake St. Louis Township. See also: May | June | July.
