S
M
T
W
T
F
S
26
63°
41°
27
72°
42°
28
67°
51°
29
56°
43°
30
48°
36°
1
42°
34°
2
42°
33°
3
59°
31°
4
72°
46°
5
68°
49°
6
53°
41°
7
56°
37°
8
59°
41°
9
66°
48°
10
57°
42°
11
58°
36°
12
62°
33°
13
65°
41°
14
50°
41°
15
66°
49°
16
74°
62°
17
80°
62°
18
88°
66°
19
84°
63°
20
65°
42°
21
59°
43°
22
67°
47°
23
72°
51°
24
71°
52°
25
72°
55°
26
73°
55°
27
73°
56°
28
74°
49°
29
73°
54°
30
73°
53°
31
67°
50°
1
68°
46°
2
67°
45°
3
67°
46°
4
69°
47°
5
74°
56°
6
78°
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 59° to 88°, with overnight lows between 42° and 66°. 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.
