S
M
T
W
T
F
S
26
68°
47°
27
66°
46°
28
67°
50°
29
75°
55°
30
74°
56°
1
76°
54°
2
67°
53°
3
66°
49°
4
67°
45°
5
69°
55°
6
76°
57°
7
77°
58°
8
78°
56°
9
70°
51°
10
68°
55°
11
70°
54°
12
72°
53°
13
74°
58°
14
79°
60°
15
81°
60°
16
77°
59°
17
79°
60°
18
75°
55°
19
72°
51°
20
73°
56°
21
76°
60°
22
77°
54°
23
77°
55°
24
78°
56°
25
79°
57°
26
76°
54°
27
77°
56°
28
78°
60°
29
84°
61°
30
85°
56°
31
79°
56°
1
78°
57°
2
78°
60°
3
82°
64°
4
84°
64°
5
86°
65°
6
87°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Scotland
Scotland's May 2026 forecast shows daily high temperatures ranging from 66° to 87°, with overnight lows between 45° and 65°. The average high for May is 76° with an average low of 56°. 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 Scotland. See also: June | July | August.