S
M
T
W
T
F
S
26
73°
53°
27
79°
44°
28
84°
47°
29
81°
53°
30
76°
53°
1
74°
46°
2
75°
50°
3
74°
55°
4
73°
51°
5
66°
39°
6
74°
50°
7
79°
52°
8
83°
55°
9
86°
57°
10
83°
58°
11
83°
58°
12
85°
59°
13
86°
58°
14
84°
51°
15
78°
47°
16
78°
48°
17
79°
48°
18
79°
50°
19
80°
51°
20
82°
51°
21
80°
53°
22
83°
56°
23
87°
55°
24
83°
52°
25
81°
51°
26
81°
55°
27
83°
56°
28
85°
58°
29
89°
59°
30
88°
60°
31
85°
59°
1
84°
57°
2
87°
58°
3
87°
60°
4
88°
61°
5
89°
61°
6
90°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gleeson
Gleeson's May 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 39° and 61°. The average high for May is 82° 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 Gleeson. See also: June | July | August.