S
M
T
W
T
F
S
26
50°
37°
27
54°
46°
28
55°
43°
29
54°
41°
30
55°
45°
1
59°
45°
2
50°
41°
3
50°
36°
4
52°
39°
5
46°
34°
6
48°
34°
7
54°
45°
8
52°
37°
9
48°
34°
10
46°
36°
11
45°
39°
12
52°
41°
13
52°
41°
14
50°
41°
15
50°
43°
16
48°
34°
17
50°
34°
18
55°
39°
19
50°
46°
20
59°
48°
21
59°
48°
22
61°
54°
23
63°
52°
24
57°
54°
25
57°
52°
26
55°
43°
27
57°
47°
28
58°
50°
29
60°
51°
30
59°
50°
31
58°
49°
1
58°
50°
2
60°
49°
3
58°
50°
4
59°
49°
5
60°
49°
6
58°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Orkney
Orkney's May 2026 forecast shows daily high temperatures ranging from 57° to 60°, with overnight lows between 47° and 51°. The average high for May is 59° with an average low of 49°. 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 Orkney. See also: June | July | August.
