S
M
T
W
T
F
S
29
50°
30°
30
68°
35°
31
72°
42°
1
42°
34°
2
52°
33°
3
73°
37°
4
58°
38°
5
46°
31°
6
47°
27°
7
31°
20°
8
50°
19°
9
67°
41°
10
48°
34°
11
51°
29°
12
68°
34°
13
77°
53°
14
74°
55°
15
71°
57°
16
67°
53°
17
67°
49°
18
66°
40°
19
41°
26°
20
37°
26°
21
53°
39°
22
63°
37°
23
70°
45°
24
64°
44°
25
56°
40°
26
56°
40°
27
55°
41°
28
53°
39°
29
52°
38°
30
49°
36°
1
49°
36°
2
53°
38°
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 37° to 70°, with overnight lows between 26° and 45°. The average high for April is 54° with an average low of 38°. 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.
