S
M
T
W
T
F
S
26
85°
71°
27
92°
72°
28
88°
67°
29
67°
58°
30
62°
57°
1
62°
53°
2
76°
45°
3
81°
48°
4
84°
54°
5
89°
59°
6
70°
51°
7
73°
49°
8
77°
57°
9
88°
59°
10
79°
62°
11
77°
55°
12
85°
54°
13
90°
58°
14
92°
65°
15
91°
68°
16
88°
66°
17
86°
73°
18
91°
76°
19
86°
58°
20
72°
60°
21
77°
64°
22
87°
63°
23
81°
61°
24
87°
63°
25
86°
63°
26
87°
62°
27
84°
65°
28
86°
67°
29
91°
70°
30
90°
70°
31
94°
71°
1
90°
68°
2
87°
63°
3
83°
64°
4
85°
65°
5
87°
67°
6
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cool
Cool's May 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 63° and 71°. The average high for May is 88° with an average low of 67°. 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 Cool. See also: June | July | August.
