S
M
T
W
T
F
S
26
80°
56°
27
79°
53°
28
70°
49°
29
75°
55°
30
79°
56°
1
76°
55°
2
71°
51°
3
74°
53°
4
73°
54°
5
73°
53°
6
76°
54°
7
80°
57°
8
78°
57°
9
77°
58°
10
80°
58°
11
82°
59°
12
83°
60°
13
83°
61°
14
82°
60°
15
76°
52°
16
76°
55°
17
76°
54°
18
78°
58°
19
76°
53°
20
77°
54°
21
77°
54°
22
78°
59°
23
80°
62°
24
83°
58°
25
78°
55°
26
78°
57°
27
79°
56°
28
79°
63°
29
84°
64°
30
80°
57°
31
79°
58°
1
79°
60°
2
83°
60°
3
83°
62°
4
85°
59°
5
82°
60°
6
87°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cary
Cary's May 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 49° and 65°. The average high for May is 79° with an average low of 57°. 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 Cary. See also: June | July | August.
