S
M
T
W
T
F
S
26
55°
31°
27
57°
33°
28
56°
32°
29
62°
31°
30
57°
31°
1
58°
32°
2
58°
35°
3
59°
38°
4
58°
34°
5
58°
34°
6
60°
35°
7
65°
35°
8
61°
36°
9
61°
35°
10
60°
36°
11
60°
36°
12
63°
47°
13
68°
44°
14
63°
48°
15
68°
44°
16
64°
40°
17
66°
44°
18
71°
50°
19
75°
52°
20
74°
47°
21
67°
44°
22
67°
45°
23
68°
43°
24
67°
44°
25
73°
48°
26
78°
53°
27
81°
50°
28
80°
52°
29
72°
51°
30
76°
50°
31
79°
45°
1
73°
44°
2
70°
42°
3
70°
45°
4
72°
48°
5
74°
53°
6
75°
47°
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 55° to 81°, with overnight lows between 31° and 53°. The average high for May is 67° with an average low of 42°. 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.
