S
M
T
W
T
F
S
29
63°
34°
30
72°
54°
31
77°
59°
1
59°
36°
2
75°
37°
3
78°
63°
4
78°
44°
5
48°
35°
6
57°
30°
7
45°
27°
8
64°
25°
9
77°
50°
10
66°
46°
11
63°
36°
12
81°
45°
13
82°
34°
14
84°
59°
15
81°
34°
16
77°
36°
17
84°
48°
18
70°
34°
19
55°
32°
20
55°
28°
21
75°
36°
22
77°
54°
23
N/A
24
81°
54°
25
70°
43°
26
70°
50°
27
80°
62°
28
74°
50°
29
70°
45°
30
65°
44°
1
61°
42°
2
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in St. Marys
St. Marys's April 2026 forecast shows daily high temperatures ranging from 57° to 81°, with overnight lows between 40° and 62°. The average high for April is 70° with an average low of 48°. 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. Marys. See also: May | June | July.
