S
M
T
W
T
F
S
26
63°
37°
27
71°
34°
28
69°
45°
29
52°
41°
30
55°
23°
1
51°
23°
2
48°
21°
3
62°
20°
4
72°
48°
5
66°
47°
6
58°
31°
7
56°
28°
8
62°
30°
9
63°
33°
10
59°
29°
11
59°
25°
12
62°
22°
13
60°
43°
14
57°
37°
15
67°
46°
16
70°
54°
17
74°
58°
18
85°
63°
19
81°
56°
20
63°
43°
21
58°
41°
22
63°
45°
23
69°
53°
24
66°
49°
25
70°
52°
26
70°
55°
27
69°
54°
28
70°
47°
29
68°
53°
30
73°
50°
31
65°
46°
1
64°
44°
2
63°
44°
3
65°
45°
4
67°
50°
5
71°
55°
6
76°
56°
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 58° to 85°, with overnight lows between 41° and 63°. The average high for May is 69° 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 Scotland. See also: June | July | August.