S
M
T
W
T
F
S
26
69°
48°
27
66°
47°
28
69°
49°
29
74°
51°
30
69°
52°
1
70°
52°
2
69°
47°
3
69°
52°
4
70°
47°
5
69°
49°
6
77°
58°
7
76°
57°
8
74°
57°
9
73°
56°
10
73°
52°
11
71°
49°
12
70°
48°
13
70°
49°
14
71°
55°
15
72°
55°
16
73°
53°
17
78°
60°
18
77°
52°
19
72°
51°
20
73°
55°
21
74°
61°
22
78°
62°
23
82°
62°
24
80°
61°
25
80°
63°
26
84°
64°
27
84°
61°
28
78°
56°
29
87°
63°
30
87°
61°
31
85°
59°
1
86°
57°
2
85°
58°
3
82°
59°
4
80°
62°
5
79°
63°
6
80°
65°
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 66° to 87°, with overnight lows between 47° and 65°. The average high for May is 76° with an average low of 56°. 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.
