S
M
T
W
T
F
S
26
55°
32°
27
67°
39°
28
51°
48°
29
54°
43°
30
52°
29°
1
53°
33°
2
45°
28°
3
56°
35°
4
72°
52°
5
73°
54°
6
57°
32°
7
58°
31°
8
57°
39°
9
61°
49°
10
62°
32°
11
60°
30°
12
67°
37°
13
65°
42°
14
46°
42°
15
66°
41°
16
75°
54°
17
83°
58°
18
89°
56°
19
81°
64°
20
72°
48°
21
64°
46°
22
57°
45°
23
51°
48°
24
65°
53°
25
69°
51°
26
75°
51°
27
72°
52°
28
73°
53°
29
75°
51°
30
74°
53°
31
78°
56°
1
73°
49°
2
73°
54°
3
74°
54°
4
71°
52°
5
69°
50°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glasgow
Glasgow's May 2026 forecast shows daily high temperatures ranging from 51° to 81°, with overnight lows between 45° and 64°. The average high for May is 70° with an average low of 52°. 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 Glasgow. See also: June | July | August.
