S
M
T
W
T
F
S
26
62°
39°
27
72°
35°
28
62°
36°
29
65°
48°
30
65°
47°
1
65°
47°
2
59°
41°
3
59°
43°
4
70°
54°
5
83°
59°
6
70°
55°
7
61°
43°
8
59°
44°
9
62°
49°
10
67°
51°
11
65°
49°
12
65°
52°
13
64°
50°
14
66°
51°
15
66°
53°
16
67°
53°
17
67°
52°
18
68°
57°
19
76°
58°
20
74°
57°
21
71°
58°
22
76°
55°
23
72°
56°
24
76°
56°
25
71°
51°
26
69°
55°
27
69°
59°
28
73°
60°
29
78°
60°
30
77°
59°
31
76°
58°
1
73°
53°
2
69°
53°
3
69°
54°
4
72°
53°
5
71°
54°
6
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenside
Glenside's May 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 41° and 60°. The average high for May is 69° with an average low of 53°. 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 Glenside. See also: June | July | August.