S
M
T
W
T
F
S
26
59°
45°
27
59°
46°
28
50°
36°
29
52°
34°
30
55°
39°
1
59°
36°
2
63°
48°
3
48°
46°
4
59°
45°
5
50°
34°
6
52°
32°
7
55°
45°
8
61°
46°
9
50°
37°
10
57°
36°
11
50°
37°
12
55°
43°
13
54°
41°
14
54°
39°
15
54°
36°
16
54°
36°
17
57°
43°
18
54°
43°
19
61°
50°
20
61°
47°
21
65°
51°
22
64°
53°
23
66°
51°
24
65°
49°
25
68°
49°
26
67°
49°
27
61°
48°
28
62°
48°
29
62°
48°
30
61°
48°
31
62°
47°
1
56°
44°
2
57°
45°
3
58°
49°
4
57°
49°
5
58°
50°
6
60°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carnoustie
Carnoustie's May 2026 forecast shows daily high temperatures ranging from 56° to 68°, with overnight lows between 44° and 53°. The average high for May is 62° 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 Carnoustie. See also: June | July | August.