S
M
T
W
T
F
S
26
57°
47°
27
66°
41°
28
66°
48°
29
61°
54°
30
65°
43°
1
66°
39°
2
58°
44°
3
62°
38°
4
73°
48°
5
81°
53°
6
74°
53°
7
61°
40°
8
69°
53°
9
72°
52°
10
79°
49°
11
61°
38°
12
63°
42°
13
70°
57°
14
75°
54°
15
80°
54°
16
71°
53°
17
71°
53°
18
73°
52°
19
75°
50°
20
68°
48°
21
69°
51°
22
66°
49°
23
67°
50°
24
67°
48°
25
69°
50°
26
71°
52°
27
73°
49°
28
74°
51°
29
76°
53°
30
77°
57°
31
78°
58°
1
72°
58°
2
78°
57°
3
78°
58°
4
79°
59°
5
78°
59°
6
80°
58°
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 80°, with overnight lows between 38° and 59°. The average high for May is 72° with an average low of 52°. 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.
