S
M
T
W
T
F
S
26
88°
63°
27
69°
63°
28
81°
55°
29
92°
65°
30
90°
69°
1
84°
62°
2
66°
51°
3
77°
50°
4
80°
46°
5
83°
51°
6
91°
59°
7
84°
67°
8
79°
66°
9
85°
66°
10
85°
68°
11
92°
69°
12
73°
65°
13
82°
65°
14
88°
54°
15
79°
50°
16
88°
58°
17
89°
71°
18
86°
65°
19
87°
65°
20
86°
68°
21
87°
70°
22
87°
70°
23
86°
70°
24
87°
71°
25
83°
72°
26
85°
71°
27
86°
70°
28
85°
68°
29
86°
69°
30
84°
68°
31
83°
75°
1
87°
73°
2
87°
73°
3
88°
72°
4
83°
73°
5
84°
73°
6
84°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glynco
Glynco's May 2026 forecast shows daily high temperatures ranging from 83° to 88°, with overnight lows between 65° and 75°. The average high for May is 86° with an average low of 71°. 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 Glynco. See also: June | July | August.