S
M
T
W
T
F
S
26
64°
53°
27
67°
50°
28
71°
51°
29
76°
52°
30
79°
54°
1
84°
54°
2
74°
54°
3
71°
51°
4
68°
54°
5
71°
52°
6
80°
55°
7
85°
57°
8
82°
55°
9
81°
59°
10
90°
57°
11
86°
56°
12
89°
58°
13
90°
58°
14
91°
59°
15
75°
51°
16
76°
52°
17
76°
49°
18
75°
53°
19
75°
49°
20
78°
51°
21
81°
54°
22
84°
56°
23
85°
58°
24
86°
58°
25
86°
57°
26
85°
56°
27
84°
55°
28
81°
53°
29
78°
52°
30
79°
51°
31
78°
51°
1
78°
52°
2
83°
54°
3
84°
57°
4
85°
59°
5
84°
56°
6
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Freeport
Freeport's May 2026 forecast shows daily high temperatures ranging from 68° to 91°, with overnight lows between 49° and 59°. The average high for May is 81° with an average low of 55°. 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 Freeport. See also: June | July | August.