S
M
T
W
T
F
S
26
81°
56°
27
81°
54°
28
71°
60°
29
81°
62°
30
70°
55°
1
68°
50°
2
68°
41°
3
71°
39°
4
78°
48°
5
79°
60°
6
75°
56°
7
71°
46°
8
72°
49°
9
73°
54°
10
77°
55°
11
79°
56°
12
80°
58°
13
78°
57°
14
80°
52°
15
83°
63°
16
84°
63°
17
84°
62°
18
83°
63°
19
84°
64°
20
84°
64°
21
85°
63°
22
85°
65°
23
84°
65°
24
79°
64°
25
83°
65°
26
85°
66°
27
81°
65°
28
80°
62°
29
83°
65°
30
84°
64°
31
83°
66°
1
87°
66°
2
87°
68°
3
86°
68°
4
88°
67°
5
82°
67°
6
81°
63°
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 68° to 88°, with overnight lows between 39° and 68°. The average high for May is 80° with an average low of 60°. 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.
