S
M
T
W
T
F
S
29
64°
34°
30
70°
57°
31
79°
61°
1
63°
48°
2
82°
47°
3
80°
60°
4
83°
48°
5
53°
35°
6
50°
30°
7
39°
27°
8
58°
41°
9
70°
48°
10
72°
51°
11
74°
54°
12
74°
55°
13
65°
48°
14
68°
49°
15
62°
43°
16
63°
37°
17
54°
31°
18
55°
33°
19
59°
44°
20
68°
45°
21
69°
47°
22
70°
46°
23
70°
47°
24
69°
47°
25
71°
48°
26
71°
41°
27
64°
36°
28
57°
37°
29
59°
46°
30
60°
42°
1
60°
38°
2
61°
39°
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 39° to 83°, with overnight lows between 27° and 60°. The average high for April is 64° with an average low of 43°. 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.
