S
M
T
W
T
F
S
26
54°
22°
27
49°
32°
28
50°
28°
29
61°
32°
30
57°
24°
1
61°
22°
2
76°
37°
3
73°
39°
4
59°
32°
5
50°
24°
6
56°
20°
7
65°
26°
8
71°
34°
9
63°
31°
10
66°
31°
11
82°
42°
12
74°
42°
13
81°
59°
14
79°
48°
15
78°
45°
16
77°
48°
17
64°
42°
18
65°
43°
19
74°
50°
20
75°
48°
21
70°
49°
22
73°
50°
23
70°
50°
24
76°
51°
25
86°
60°
26
67°
53°
27
77°
55°
28
77°
54°
29
67°
49°
30
70°
50°
31
71°
55°
1
72°
56°
2
69°
56°
3
70°
54°
4
76°
57°
5
77°
58°
6
79°
59°
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 64° to 86°, with overnight lows between 42° and 60°. The average high for May is 74° with an average low of 52°. 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.