S
M
T
W
T
F
S
26
83°
65°
27
84°
72°
28
82°
67°
29
80°
54°
30
70°
56°
1
67°
54°
2
73°
44°
3
81°
45°
4
80°
54°
5
82°
59°
6
60°
50°
7
72°
52°
8
76°
51°
9
83°
63°
10
82°
61°
11
76°
54°
12
82°
50°
13
85°
51°
14
81°
60°
15
91°
61°
16
88°
63°
17
85°
67°
18
85°
73°
19
89°
64°
20
78°
65°
21
74°
68°
22
82°
68°
23
71°
64°
24
84°
64°
25
78°
65°
26
85°
66°
27
84°
68°
28
75°
69°
29
87°
69°
30
90°
69°
31
N/A
1
94°
72°
2
92°
65°
3
88°
66°
4
89°
65°
5
84°
70°
6
82°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Glenville
Glenville's May 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 65° and 72°. The average high for May is 88° with an average low of 68°. 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 Glenville. See also: June | July | August.