S
M
T
W
T
F
S
26
44°
42°
27
44°
41°
28
45°
40°
29
44°
40°
30
44°
41°
1
45°
42°
2
45°
43°
3
46°
44°
4
45°
41°
5
44°
41°
6
46°
43°
7
45°
42°
8
46°
45°
9
49°
44°
10
50°
46°
11
47°
46°
12
47°
46°
13
46°
45°
14
47°
46°
15
47°
45°
16
46°
44°
17
46°
44°
18
47°
43°
19
46°
43°
20
46°
44°
21
48°
45°
22
49°
47°
23
50°
47°
24
51°
48°
25
53°
48°
26
53°
47°
27
52°
48°
28
54°
47°
29
53°
49°
30
53°
48°
31
54°
48°
1
53°
49°
2
54°
48°
3
55°
47°
4
54°
48°
5
54°
48°
6
53°
46°
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 44° to 55°, with overnight lows between 40° and 49°. The average high for May is 49° with an average low of 45°. 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.
