S
M
T
W
T
F
S
26
82°
59°
27
74°
53°
28
72°
47°
29
83°
57°
30
78°
63°
1
68°
54°
2
61°
44°
3
70°
46°
4
78°
51°
5
83°
59°
6
83°
63°
7
79°
48°
8
73°
50°
9
78°
56°
10
74°
57°
11
80°
59°
12
83°
58°
13
83°
59°
14
82°
61°
15
86°
62°
16
86°
61°
17
85°
63°
18
82°
63°
19
83°
62°
20
87°
63°
21
87°
63°
22
86°
64°
23
88°
64°
24
87°
63°
25
87°
65°
26
86°
65°
27
85°
64°
28
82°
65°
29
83°
65°
30
85°
64°
31
87°
65°
1
87°
66°
2
88°
66°
3
89°
67°
4
89°
66°
5
83°
63°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Aiken
Aiken's May 2026 forecast shows daily high temperatures ranging from 61° to 89°, with overnight lows between 44° and 67°. The average high for May is 82° with an average low of 60°. 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 Aiken. See also: June | July | August.
