S
M
T
W
T
F
S
26
89°
63°
27
81°
62°
28
87°
55°
29
90°
66°
30
90°
70°
1
83°
64°
2
64°
56°
3
78°
50°
4
83°
56°
5
85°
60°
6
87°
65°
7
88°
70°
8
79°
63°
9
79°
61°
10
84°
62°
11
82°
64°
12
84°
63°
13
86°
62°
14
85°
63°
15
86°
62°
16
86°
63°
17
89°
62°
18
83°
64°
19
85°
64°
20
83°
65°
21
82°
65°
22
83°
60°
23
82°
59°
24
82°
60°
25
83°
65°
26
83°
65°
27
84°
62°
28
84°
66°
29
85°
65°
30
86°
67°
31
85°
68°
1
85°
68°
2
86°
67°
3
85°
68°
4
85°
69°
5
86°
68°
6
87°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Greenville
Greenville's May 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 56° and 70°. The average high for May is 84° with an average low of 64°. 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 Greenville. See also: June | July | August.
