S
M
T
W
T
F
S
26
56°
42°
27
56°
43°
28
54°
38°
29
55°
33°
30
52°
33°
1
53°
34°
2
68°
33°
3
71°
47°
4
61°
41°
5
50°
34°
6
47°
31°
7
60°
28°
8
73°
40°
9
61°
44°
10
61°
39°
11
71°
32°
12
69°
51°
13
73°
42°
14
82°
49°
15
86°
48°
16
78°
51°
17
75°
53°
18
60°
52°
19
52°
40°
20
60°
34°
21
65°
49°
22
61°
53°
23
72°
50°
24
81°
55°
25
88°
61°
26
82°
61°
27
81°
61°
28
78°
60°
29
77°
58°
30
79°
59°
31
80°
60°
1
79°
58°
2
77°
59°
3
75°
63°
4
77°
57°
5
70°
51°
6
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glencoe
Glencoe's May 2026 forecast shows daily high temperatures ranging from 61° to 88°, with overnight lows between 49° and 63°. The average high for May is 76° with an average low of 57°. 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 Glencoe. See also: June | July | August.
