S
M
T
W
T
F
S
26
60°
42°
27
66°
44°
28
65°
40°
29
65°
45°
30
67°
45°
1
67°
40°
2
66°
46°
3
68°
47°
4
69°
48°
5
68°
49°
6
70°
50°
7
70°
50°
8
69°
48°
9
67°
44°
10
64°
49°
11
62°
50°
12
71°
50°
13
68°
47°
14
69°
51°
15
72°
52°
16
74°
54°
17
74°
54°
18
75°
43°
19
68°
43°
20
66°
44°
21
68°
45°
22
67°
47°
23
65°
48°
24
64°
51°
25
70°
56°
26
74°
54°
27
77°
55°
28
68°
57°
29
75°
52°
30
77°
48°
31
71°
54°
1
77°
51°
2
80°
58°
3
82°
56°
4
80°
49°
5
72°
47°
6
70°
50°
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 40° and 58°. The average high for May is 70° with an average low of 49°. 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.
