S
M
T
W
T
F
S
26
89°
74°
27
87°
74°
28
86°
74°
29
87°
73°
30
85°
75°
1
85°
75°
2
86°
76°
3
87°
73°
4
86°
72°
5
86°
72°
6
87°
73°
7
83°
71°
8
83°
70°
9
84°
73°
10
84°
73°
11
85°
72°
12
84°
73°
13
84°
73°
14
85°
72°
15
84°
73°
16
85°
73°
17
85°
72°
18
86°
73°
19
85°
72°
20
86°
73°
21
85°
72°
22
85°
72°
23
86°
71°
24
85°
74°
25
85°
73°
26
86°
73°
27
85°
72°
28
85°
73°
29
86°
74°
30
85°
73°
31
85°
74°
1
86°
73°
2
86°
74°
3
87°
74°
4
87°
72°
5
88°
73°
6
88°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carolina
Carolina's May 2026 forecast shows daily high temperatures ranging from 83° to 89°, with overnight lows between 70° and 76°. The average high for May is 86° with an average low of 73°. 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 Carolina. See also: June | July | August.