S
M
T
W
T
F
S
26
54°
39°
27
61°
43°
28
52°
43°
29
50°
45°
30
57°
46°
1
61°
46°
2
57°
45°
3
57°
42°
4
60°
50°
5
61°
52°
6
61°
54°
7
61°
48°
8
59°
44°
9
57°
46°
10
59°
50°
11
63°
49°
12
59°
48°
13
60°
48°
14
62°
50°
15
63°
48°
16
66°
53°
17
67°
52°
18
67°
53°
19
66°
52°
20
62°
52°
21
62°
53°
22
63°
53°
23
63°
50°
24
59°
49°
25
61°
49°
26
62°
54°
27
63°
52°
28
62°
50°
29
63°
48°
30
62°
52°
31
64°
56°
1
67°
54°
2
65°
52°
3
64°
56°
4
68°
57°
5
65°
56°
6
65°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Falmouth
Falmouth's May 2026 forecast shows daily high temperatures ranging from 57° to 68°, with overnight lows between 42° and 57°. The average high for May is 62° with an average low of 51°. 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 Falmouth. See also: June | July | August.
