S
M
T
W
T
F
S
26
57°
38°
27
70°
34°
28
57°
45°
29
59°
53°
30
65°
40°
1
66°
45°
2
57°
39°
3
58°
42°
4
71°
53°
5
83°
59°
6
70°
57°
7
62°
44°
8
59°
43°
9
62°
47°
10
70°
53°
11
67°
54°
12
67°
55°
13
69°
54°
14
71°
52°
15
68°
53°
16
68°
53°
17
69°
54°
18
69°
57°
19
77°
57°
20
77°
56°
21
76°
58°
22
78°
58°
23
78°
57°
24
77°
58°
25
72°
53°
26
71°
58°
27
71°
59°
28
79°
60°
29
77°
60°
30
76°
59°
31
77°
58°
1
73°
53°
2
71°
54°
3
71°
53°
4
72°
52°
5
72°
54°
6
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stewartstown
Stewartstown's May 2026 forecast shows daily high temperatures ranging from 57° to 83°, with overnight lows between 39° and 60°. The average high for May is 71° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Stewartstown. See also: June | July | August.