S
M
T
W
T
F
S
26
52°
36°
27
71°
31°
28
63°
32°
29
64°
49°
30
67°
47°
1
64°
42°
2
62°
45°
3
60°
39°
4
72°
43°
5
82°
58°
6
72°
62°
7
65°
46°
8
69°
42°
9
73°
53°
10
82°
46°
11
60°
39°
12
67°
40°
13
74°
50°
14
65°
47°
15
67°
45°
16
81°
42°
17
87°
57°
18
94°
67°
19
98°
71°
20
97°
60°
21
66°
52°
22
61°
51°
23
68°
58°
24
78°
57°
25
77°
56°
26
79°
55°
27
80°
58°
28
79°
57°
29
82°
58°
30
80°
55°
31
84°
56°
1
80°
59°
2
76°
58°
3
74°
60°
4
76°
60°
5
79°
58°
6
78°
61°
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 61° to 98°, with overnight lows between 51° and 71°. The average high for May is 79° with an average low of 58°. 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.
