S
M
T
W
T
F
S
29
57°
22°
30
70°
35°
31
79°
56°
1
71°
49°
2
50°
38°
3
62°
38°
4
78°
41°
5
55°
41°
6
52°
36°
7
48°
28°
8
53°
25°
9
60°
28°
10
71°
37°
11
62°
44°
12
64°
31°
13
79°
50°
14
N/A
15
88°
64°
16
90°
60°
17
79°
55°
18
82°
55°
19
60°
38°
20
52°
32°
21
59°
40°
22
67°
48°
23
65°
47°
24
69°
48°
25
68°
44°
26
65°
46°
27
61°
44°
28
60°
44°
29
61°
43°
30
66°
40°
1
61°
40°
2
61°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in St. Clair
St. Clair's April 2026 forecast shows daily high temperatures ranging from 52° to 90°, with overnight lows between 32° and 64°. The average high for April is 67° with an average low of 46°. 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 St. Clair. See also: May | June | July.
