S
M
T
W
T
F
S
26
73°
56°
27
79°
55°
28
77°
61°
29
69°
55°
30
63°
46°
1
62°
47°
2
56°
42°
3
66°
37°
4
80°
53°
5
71°
59°
6
63°
47°
7
64°
45°
8
74°
44°
9
78°
57°
10
77°
62°
11
74°
55°
12
78°
52°
13
76°
57°
14
67°
48°
15
74°
47°
16
84°
62°
17
89°
66°
18
89°
69°
19
91°
69°
20
76°
63°
21
67°
56°
22
69°
60°
23
74°
59°
24
78°
63°
25
77°
65°
26
77°
66°
27
77°
63°
28
83°
63°
29
80°
58°
30
75°
57°
31
77°
57°
1
74°
58°
2
74°
59°
3
76°
59°
4
78°
60°
5
80°
60°
6
77°
62°
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 74° to 83°, with overnight lows between 57° and 66°. The average high for May is 77° with an average low of 61°. 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.
