S
M
T
W
T
F
S
26
79°
49°
27
81°
61°
28
62°
55°
29
64°
42°
30
67°
37°
1
64°
40°
2
61°
40°
3
78°
53°
4
80°
57°
5
62°
46°
6
60°
42°
7
64°
46°
8
69°
46°
9
71°
49°
10
71°
50°
11
68°
47°
12
72°
52°
13
77°
55°
14
76°
54°
15
77°
55°
16
76°
54°
17
78°
58°
18
76°
59°
19
80°
58°
20
74°
54°
21
77°
52°
22
71°
51°
23
71°
51°
24
72°
53°
25
71°
53°
26
72°
52°
27
73°
53°
28
74°
59°
29
75°
58°
30
79°
63°
31
75°
61°
1
75°
55°
2
76°
56°
3
78°
60°
4
79°
64°
5
82°
64°
6
79°
65°
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 60° to 82°, with overnight lows between 42° and 65°. The average high for May is 74° 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 Glencoe. See also: June | July | August.
