S
M
T
W
T
F
S
26
67°
41°
27
69°
44°
28
61°
48°
29
52°
41°
30
55°
37°
1
48°
35°
2
52°
30°
3
64°
37°
4
77°
46°
5
63°
45°
6
56°
37°
7
56°
35°
8
65°
33°
9
68°
47°
10
61°
33°
11
60°
36°
12
65°
32°
13
54°
43°
14
67°
43°
15
70°
54°
16
78°
54°
17
78°
62°
18
84°
63°
19
76°
48°
20
63°
39°
21
65°
41°
22
70°
46°
23
76°
51°
24
73°
50°
25
74°
52°
26
74°
53°
27
77°
53°
28
75°
48°
29
77°
53°
30
71°
48°
31
68°
44°
1
70°
44°
2
69°
44°
3
70°
46°
4
72°
54°
5
80°
56°
6
82°
57°
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 63° to 84°, with overnight lows between 39° and 63°. The average high for May is 74° with an average low of 50°. 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.
