S
M
T
W
T
F
S
26
54°
22°
27
49°
32°
28
50°
28°
29
61°
32°
30
57°
24°
1
59°
37°
2
75°
42°
3
72°
48°
4
59°
32°
5
52°
33°
6
57°
34°
7
65°
39°
8
75°
41°
9
69°
43°
10
64°
44°
11
69°
45°
12
69°
44°
13
72°
45°
14
60°
37°
15
62°
42°
16
63°
49°
17
64°
49°
18
73°
50°
19
71°
51°
20
65°
46°
21
65°
46°
22
66°
42°
23
65°
46°
24
66°
48°
25
66°
48°
26
67°
52°
27
67°
53°
28
68°
52°
29
75°
50°
30
67°
46°
31
68°
55°
1
68°
54°
2
70°
56°
3
71°
56°
4
71°
53°
5
72°
57°
6
71°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenham
Glenham's May 2026 forecast shows daily high temperatures ranging from 52° to 75°, with overnight lows between 32° and 58°. The average high for May is 67° with an average low of 47°. 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 Glenham. See also: June | July | August.