S
M
T
W
T
F
S
26
59°
44°
27
72°
48°
28
68°
47°
29
54°
42°
30
52°
36°
1
45°
37°
2
45°
37°
3
61°
36°
4
73°
52°
5
68°
47°
6
50°
45°
7
55°
43°
8
57°
45°
9
70°
53°
10
55°
43°
11
55°
37°
12
63°
34°
13
63°
44°
14
57°
42°
15
66°
38°
16
73°
56°
17
84°
62°
18
89°
67°
19
90°
53°
20
60°
42°
21
61°
46°
22
65°
55°
23
68°
57°
24
74°
56°
25
72°
56°
26
74°
57°
27
74°
57°
28
75°
58°
29
74°
56°
30
76°
56°
31
78°
54°
1
74°
59°
2
75°
60°
3
76°
59°
4
70°
58°
5
71°
57°
6
73°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenwillow
Glenwillow's May 2026 forecast shows daily high temperatures ranging from 60° to 90°, with overnight lows between 42° and 67°. The average high for May is 73° with an average low of 56°. 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 Glenwillow. See also: June | July | August.
