S
M
T
W
T
F
S
29
35°
9°
30
47°
28°
31
40°
26°
1
32°
26°
2
31°
24°
3
32°
24°
4
32°
24°
5
44°
24°
6
44°
29°
7
30°
24°
8
33°
24°
9
52°
24°
10
59°
39°
11
44°
31°
12
40°
28°
13
46°
37°
14
41°
30°
15
43°
36°
16
45°
37°
17
47°
32°
18
45°
35°
19
46°
33°
20
40°
32°
21
43°
32°
22
47°
33°
23
46°
34°
24
44°
36°
25
45°
34°
26
44°
33°
27
45°
34°
28
45°
31°
29
46°
31°
30
47°
32°
1
50°
37°
2
48°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in West St. Peters
West St. Peters's April 2026 forecast shows daily high temperatures ranging from 40° to 59°, with overnight lows between 28° and 39°. The average high for April is 45° with an average low of 34°. 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 West St. Peters. See also: May | June | July.
