S
M
T
W
T
F
S
26
41°
22°
27
44°
19°
28
55°
26°
29
55°
30°
30
65°
29°
1
69°
32°
2
69°
42°
3
77°
38°
4
54°
34°
5
49°
27°
6
57°
21°
7
67°
37°
8
73°
47°
9
65°
43°
10
77°
52°
11
75°
46°
12
75°
49°
13
76°
48°
14
75°
48°
15
81°
51°
16
80°
49°
17
75°
48°
18
76°
50°
19
75°
51°
20
76°
49°
21
65°
51°
22
64°
50°
23
62°
49°
24
66°
51°
25
74°
53°
26
73°
53°
27
76°
54°
28
76°
54°
29
75°
53°
30
75°
54°
31
72°
54°
1
76°
55°
2
77°
55°
3
73°
51°
4
65°
45°
5
66°
55°
6
67°
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 62° to 81°, with overnight lows between 37° and 55°. The average high for May is 73° with an average low of 50°. 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.
