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
62°
41°
16
70°
51°
17
82°
59°
18
86°
65°
19
83°
64°
20
65°
46°
21
65°
43°
22
62°
45°
23
56°
48°
24
67°
50°
25
75°
56°
26
80°
50°
27
79°
57°
28
67°
50°
29
73°
45°
30
65°
46°
31
74°
45°
1
74°
48°
2
73°
49°
3
78°
50°
4
83°
55°
5
81°
59°
6
81°
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 73° to 83°, with overnight lows between 45° and 59°. The average high for May is 78° 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.
