S
M
T
W
T
F
S
29
40°
18°
30
48°
21°
31
44°
22°
1
42°
22°
2
47°
21°
3
49°
23°
4
48°
24°
5
40°
27°
6
37°
17°
7
34°
20°
8
36°
15°
9
32°
19°
10
37°
19°
11
44°
18°
12
39°
23°
13
42°
25°
14
40°
24°
15
42°
23°
16
44°
23°
17
47°
24°
18
45°
28°
19
46°
27°
20
47°
28°
21
47°
25°
22
47°
23°
23
N/A
24
72°
64°
25
72°
63°
26
69°
59°
27
66°
59°
28
67°
58°
29
70°
54°
30
74°
61°
1
76°
62°
2
75°
62°
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 66° to 76°, with overnight lows between 54° and 64°. The average high for April is 71° with an average low of 60°. 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.
