S
M
T
W
T
F
S
26
60°
43°
27
73°
41°
28
70°
50°
29
64°
47°
30
51°
42°
1
54°
34°
2
48°
34°
3
56°
44°
4
68°
57°
5
72°
54°
6
58°
46°
7
49°
38°
8
53°
42°
9
58°
44°
10
62°
46°
11
62°
50°
12
66°
51°
13
65°
50°
14
64°
49°
15
68°
52°
16
64°
50°
17
66°
53°
18
69°
56°
19
70°
56°
20
72°
57°
21
75°
57°
22
74°
58°
23
75°
56°
24
72°
53°
25
67°
50°
26
71°
58°
27
76°
59°
28
74°
58°
29
73°
58°
30
70°
55°
31
73°
56°
1
70°
55°
2
70°
55°
3
71°
51°
4
69°
51°
5
69°
52°
6
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenshaw
Glenshaw's May 2026 forecast shows daily high temperatures ranging from 48° to 76°, with overnight lows between 34° and 59°. The average high for May is 67° with an average low of 51°. 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 Glenshaw. See also: June | July | August.
