S
M
T
W
T
F
S
29
56°
23°
30
70°
46°
31
79°
61°
1
79°
55°
2
56°
41°
3
67°
41°
4
79°
44°
5
57°
44°
6
56°
38°
7
52°
33°
8
51°
26°
9
60°
27°
10
72°
39°
11
66°
45°
12
64°
36°
13
80°
49°
14
86°
59°
15
87°
62°
16
88°
62°
17
80°
56°
18
81°
56°
19
61°
37°
20
50°
33°
21
56°
42°
22
67°
47°
23
65°
44°
24
67°
48°
25
67°
45°
26
65°
46°
27
63°
44°
28
61°
46°
29
64°
44°
30
68°
42°
1
62°
42°
2
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Saint Peters
Saint Peters's April 2026 forecast shows daily high temperatures ranging from 50° to 88°, with overnight lows between 33° and 62°. The average high for April is 68° with an average low of 47°. 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 Saint Peters. See also: May | June | July.
