S
M
T
W
T
F
S
26
70°
34°
27
68°
48°
28
61°
34°
29
55°
37°
30
54°
34°
1
54°
32°
2
64°
30°
3
72°
48°
4
70°
45°
5
54°
39°
6
46°
32°
7
57°
30°
8
72°
32°
9
63°
41°
10
63°
34°
11
64°
32°
12
77°
50°
13
68°
46°
14
77°
39°
15
88°
57°
16
82°
54°
17
61°
54°
18
77°
55°
19
70°
48°
20
62°
42°
21
63°
46°
22
61°
49°
23
64°
48°
24
75°
50°
25
80°
55°
26
82°
56°
27
78°
58°
28
77°
57°
29
80°
56°
30
78°
57°
31
81°
57°
1
79°
56°
2
76°
52°
3
79°
58°
4
78°
57°
5
73°
53°
6
71°
53°
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 82°, with overnight lows between 42° and 58°. The average high for May is 74° with an average low of 53°. 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.
