S
M
T
W
T
F
S
26
65°
46°
27
74°
48°
28
66°
52°
29
62°
45°
30
56°
41°
1
51°
39°
2
48°
33°
3
60°
34°
4
72°
56°
5
64°
45°
6
55°
39°
7
56°
42°
8
63°
47°
9
64°
48°
10
66°
49°
11
62°
46°
12
63°
48°
13
66°
52°
14
67°
48°
15
68°
50°
16
73°
54°
17
74°
52°
18
73°
57°
19
76°
56°
20
76°
53°
21
75°
50°
22
69°
48°
23
67°
48°
24
69°
50°
25
69°
52°
26
68°
50°
27
69°
51°
28
70°
51°
29
71°
52°
30
72°
57°
31
78°
58°
1
72°
54°
2
74°
55°
3
76°
60°
4
77°
59°
5
80°
62°
6
82°
63°
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 55° to 82°, with overnight lows between 39° and 63°. The average high for May is 70° 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.
