S
M
T
W
T
F
S
26
48°
36°
27
52°
45°
28
56°
45°
29
59°
44°
30
60°
45°
1
57°
45°
2
48°
37°
3
45°
36°
4
46°
38°
5
42°
35°
6
43°
36°
7
46°
43°
8
50°
39°
9
43°
36°
10
44°
38°
11
45°
40°
12
45°
40°
13
46°
41°
14
46°
40°
15
47°
41°
16
48°
42°
17
49°
43°
18
45°
43°
19
45°
42°
20
46°
43°
21
46°
41°
22
45°
42°
23
46°
45°
24
46°
45°
25
47°
44°
26
48°
46°
27
47°
45°
28
47°
45°
29
48°
44°
30
48°
45°
31
47°
46°
1
47°
46°
2
48°
45°
3
47°
46°
4
48°
46°
5
48°
45°
6
49°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stenness
Stenness's May 2026 forecast shows daily high temperatures ranging from 42° to 50°, with overnight lows between 35° and 46°. The average high for May is 46° with an average low of 43°. 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 Stenness. See also: June | July | August.