S
M
T
W
T
F
S
26
90°
61°
27
82°
63°
28
90°
57°
29
91°
68°
30
90°
70°
1
86°
66°
2
68°
55°
3
77°
50°
4
84°
48°
5
86°
57°
6
91°
59°
7
88°
68°
8
86°
66°
9
77°
64°
10
86°
68°
11
91°
68°
12
77°
68°
13
84°
66°
14
88°
54°
15
86°
62°
16
92°
69°
17
91°
67°
18
90°
67°
19
94°
69°
20
93°
70°
21
94°
72°
22
92°
71°
23
93°
74°
24
91°
72°
25
93°
71°
26
93°
72°
27
94°
68°
28
92°
70°
29
93°
71°
30
93°
72°
31
92°
72°
1
91°
71°
2
93°
72°
3
93°
72°
4
92°
73°
5
92°
73°
6
93°
72°
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 86° to 94°, with overnight lows between 54° and 74°. The average high for May is 92° with an average low of 70°. 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.
