S
M
T
W
T
F
S
26
84°
66°
27
84°
71°
28
81°
68°
29
72°
63°
30
69°
58°
1
65°
55°
2
72°
50°
3
78°
56°
4
80°
61°
5
82°
68°
6
73°
57°
7
69°
54°
8
74°
59°
9
81°
61°
10
78°
64°
11
75°
57°
12
78°
58°
13
83°
60°
14
83°
63°
15
84°
62°
16
83°
62°
17
79°
65°
18
79°
66°
19
80°
67°
20
80°
67°
21
83°
62°
22
80°
60°
23
78°
60°
24
79°
61°
25
80°
62°
26
80°
61°
27
79°
61°
28
80°
62°
29
82°
66°
30
84°
68°
31
83°
69°
1
83°
69°
2
82°
68°
3
83°
69°
4
84°
70°
5
84°
70°
6
85°
71°
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 69° to 85°, with overnight lows between 54° and 71°. The average high for May is 80° with an average low of 63°. 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.
