S
M
T
W
T
F
S
26
54°
39°
27
61°
43°
28
52°
43°
29
50°
45°
30
58°
45°
1
62°
44°
2
55°
45°
3
51°
38°
4
61°
48°
5
64°
51°
6
66°
52°
7
64°
46°
8
61°
45°
9
63°
46°
10
63°
45°
11
64°
45°
12
64°
44°
13
62°
43°
14
60°
45°
15
60°
49°
16
61°
47°
17
60°
45°
18
61°
51°
19
61°
50°
20
62°
49°
21
63°
51°
22
68°
47°
23
60°
47°
24
61°
52°
25
65°
49°
26
62°
50°
27
62°
49°
28
61°
52°
29
63°
54°
30
66°
53°
31
63°
51°
1
63°
48°
2
62°
48°
3
63°
50°
4
63°
49°
5
64°
50°
6
63°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cape Cod Coast Guard Air Station
Cape Cod Coast Guard Air Station's May 2026 forecast shows daily high temperatures ranging from 51° to 68°, with overnight lows between 38° and 54°. The average high for May is 62° with an average low of 48°. 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 Cape Cod Coast Guard Air Station. See also: June | July | August.
