S
M
T
W
T
F
S
26
55°
39°
27
70°
36°
28
59°
41°
29
61°
50°
30
68°
39°
1
68°
34°
2
61°
43°
3
63°
37°
4
75°
39°
5
82°
46°
6
70°
57°
7
63°
43°
8
72°
37°
9
70°
52°
10
81°
46°
11
61°
43°
12
70°
36°
13
75°
54°
14
61°
52°
15
70°
48°
16
82°
43°
17
84°
55°
18
96°
68°
19
98°
70°
20
96°
60°
21
65°
54°
22
62°
52°
23
67°
58°
24
73°
59°
25
73°
58°
26
76°
61°
27
79°
57°
28
77°
58°
29
79°
58°
30
78°
57°
31
80°
56°
1
81°
60°
2
78°
59°
3
74°
61°
4
77°
60°
5
75°
57°
6
76°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenn Dale
Glenn Dale's May 2026 forecast shows daily high temperatures ranging from 62° to 98°, with overnight lows between 52° and 70°. The average high for May is 78° 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 Glenn Dale. See also: June | July | August.
