S
M
T
W
T
F
S
26
83°
65°
27
87°
70°
28
84°
71°
29
80°
65°
30
69°
59°
1
60°
54°
2
72°
49°
3
78°
45°
4
78°
51°
5
79°
58°
6
82°
57°
7
73°
56°
8
71°
58°
9
74°
64°
10
81°
64°
11
78°
64°
12
82°
58°
13
85°
53°
14
83°
59°
15
89°
59°
16
86°
69°
17
89°
63°
18
91°
72°
19
90°
71°
20
83°
69°
21
81°
70°
22
77°
69°
23
80°
71°
24
83°
72°
25
82°
71°
26
83°
70°
27
85°
72°
28
84°
71°
29
85°
70°
30
84°
69°
31
86°
69°
1
88°
68°
2
90°
71°
3
86°
71°
4
85°
67°
5
86°
69°
6
90°
73°
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 77° to 90°, with overnight lows between 67° and 73°. The average high for May is 85° with an average low of 70°. 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.
