S
M
T
W
T
F
S
26
59°
46°
27
66°
46°
28
57°
46°
29
61°
45°
30
N/A
1
60°
49°
2
57°
48°
3
58°
46°
4
59°
46°
5
58°
44°
6
56°
43°
7
56°
44°
8
58°
47°
9
58°
47°
10
59°
48°
11
60°
48°
12
62°
49°
13
54°
51°
14
55°
50°
15
58°
52°
16
57°
52°
17
57°
51°
18
58°
52°
19
58°
53°
20
56°
52°
21
57°
52°
22
57°
53°
23
58°
53°
24
57°
52°
25
57°
51°
26
58°
53°
27
60°
53°
28
59°
54°
29
61°
54°
30
59°
53°
31
57°
51°
1
57°
49°
2
58°
50°
3
58°
52°
4
59°
51°
5
58°
53°
6
58°
53°
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 54° to 62°, with overnight lows between 43° and 54°. The average high for May is 58° with an average low of 50°. 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.
