S
M
T
W
T
F
S
26
88°
68°
27
90°
70°
28
89°
67°
29
88°
68°
30
87°
66°
1
86°
68°
2
88°
69°
3
87°
67°
4
85°
67°
5
85°
68°
6
86°
67°
7
85°
67°
8
86°
69°
9
89°
70°
10
90°
70°
11
90°
71°
12
87°
70°
13
87°
66°
14
86°
70°
15
89°
71°
16
87°
70°
17
89°
71°
18
91°
72°
19
88°
72°
20
87°
71°
21
89°
72°
22
90°
73°
23
91°
73°
24
91°
72°
25
89°
73°
26
91°
73°
27
90°
72°
28
90°
72°
29
90°
69°
30
90°
69°
31
91°
71°
1
90°
70°
2
91°
70°
3
89°
71°
4
89°
70°
5
90°
70°
6
91°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Myers
Fort Myers's May 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 66° and 73°. The average high for May is 89° 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 Fort Myers. See also: June | July | August.