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
60°
48°
12
83°
61°
13
73°
62°
14
82°
64°
15
74°
61°
16
75°
55°
17
80°
59°
18
73°
49°
19
54°
37°
20
63°
47°
21
72°
53°
22
73°
56°
23
73°
54°
24
70°
43°
25
59°
39°
26
58°
38°
27
60°
41°
28
60°
39°
29
64°
41°
30
61°
39°
1
61°
43°
2
60°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in St. Marys
St. Marys's April 2026 forecast shows daily high temperatures ranging from 54° to 83°, with overnight lows between 37° and 64°. The average high for April is 68° with an average low of 49°. 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.
