S
M
T
W
T
F
S
26
71°
53°
27
82°
47°
28
77°
59°
29
67°
53°
30
N/A
1
61°
38°
2
59°
39°
3
64°
48°
4
72°
57°
5
68°
48°
6
59°
42°
7
56°
37°
8
58°
44°
9
65°
47°
10
67°
50°
11
69°
52°
12
70°
53°
13
69°
50°
14
66°
53°
15
71°
58°
16
69°
58°
17
71°
59°
18
77°
59°
19
75°
58°
20
75°
60°
21
78°
60°
22
78°
59°
23
77°
59°
24
72°
57°
25
75°
60°
26
77°
61°
27
77°
59°
28
73°
60°
29
75°
60°
30
73°
56°
31
76°
61°
1
75°
61°
2
79°
63°
3
79°
59°
4
75°
56°
5
74°
55°
6
74°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glensboro
Glensboro's May 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 37° and 63°. The average high for May is 71° with an average low of 54°. 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 Glensboro. See also: June | July | August.