S
M
T
W
T
F
S
26
79°
56°
27
80°
56°
28
61°
50°
29
60°
45°
30
66°
41°
1
64°
38°
2
63°
41°
3
79°
44°
4
80°
59°
5
71°
44°
6
59°
41°
7
67°
41°
8
68°
53°
9
81°
53°
10
67°
50°
11
77°
46°
12
79°
56°
13
78°
54°
14
77°
48°
15
82°
64°
16
86°
64°
17
87°
69°
18
81°
64°
19
71°
51°
20
66°
51°
21
68°
56°
22
70°
57°
23
77°
60°
24
81°
59°
25
80°
58°
26
79°
60°
27
78°
58°
28
78°
60°
29
79°
57°
30
80°
58°
31
83°
64°
1
84°
63°
2
83°
63°
3
76°
59°
4
77°
58°
5
83°
64°
6
83°
65°
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 66° to 87°, with overnight lows between 51° and 69°. The average high for May is 78° with an average low of 60°. 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.
