S
M
T
W
T
F
S
26
58°
43°
27
69°
40°
28
58°
47°
29
58°
51°
30
64°
46°
1
64°
39°
2
59°
44°
3
62°
41°
4
73°
43°
5
81°
59°
6
72°
54°
7
65°
50°
8
67°
42°
9
63°
49°
10
68°
50°
11
63°
47°
12
68°
40°
13
68°
53°
14
59°
50°
15
69°
50°
16
81°
62°
17
83°
62°
18
92°
67°
19
93°
69°
20
87°
58°
21
69°
51°
22
68°
54°
23
72°
55°
24
75°
57°
25
80°
61°
26
79°
60°
27
78°
61°
28
77°
60°
29
72°
61°
30
74°
61°
31
76°
58°
1
72°
56°
2
73°
54°
3
72°
55°
4
73°
55°
5
76°
63°
6
82°
64°
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 68° to 93°, with overnight lows between 50° and 69°. The average high for May is 77° with an average low of 59°. 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.
