S
M
T
W
T
F
S
26
84°
57°
27
83°
58°
28
79°
65°
29
83°
63°
30
73°
63°
1
63°
52°
2
71°
47°
3
74°
42°
4
80°
44°
5
81°
47°
6
82°
65°
7
76°
61°
8
70°
59°
9
70°
61°
10
80°
62°
11
82°
60°
12
71°
59°
13
82°
55°
14
81°
53°
15
83°
47°
16
86°
51°
17
87°
61°
18
89°
61°
19
91°
66°
20
91°
67°
21
87°
68°
22
80°
68°
23
87°
67°
24
84°
69°
25
79°
70°
26
79°
68°
27
80°
68°
28
85°
69°
29
82°
69°
30
83°
69°
31
84°
69°
1
85°
65°
2
88°
67°
3
85°
68°
4
81°
66°
5
82°
67°
6
83°
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 81° to 88°, with overnight lows between 65° and 69°. The average high for May is 84° with an average low of 68°. 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.
