S
M
T
W
T
F
S
29
63°
28°
30
68°
46°
31
77°
61°
1
73°
54°
2
82°
52°
3
77°
63°
4
84°
61°
5
66°
43°
6
52°
36°
7
43°
25°
8
60°
36°
9
72°
47°
10
72°
45°
11
60°
42°
12
73°
57°
13
74°
58°
14
74°
58°
15
70°
47°
16
61°
45°
17
68°
50°
18
70°
50°
19
66°
45°
20
67°
38°
21
68°
46°
22
69°
47°
23
71°
46°
24
68°
43°
25
60°
38°
26
58°
43°
27
60°
38°
28
60°
41°
29
59°
36°
30
59°
36°
1
62°
38°
2
60°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Saint Clair
Saint Clair's April 2026 forecast shows daily high temperatures ranging from 43° to 74°, with overnight lows between 25° and 58°. The average high for April is 65° with an average low of 44°. 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 Clair. See also: May | June | July.
