S
M
T
W
T
F
S
26
58°
30°
27
70°
30°
28
68°
57°
29
60°
48°
30
48°
40°
1
53°
29°
2
46°
34°
3
52°
37°
4
70°
46°
5
65°
42°
6
48°
34°
7
49°
33°
8
50°
40°
9
55°
45°
10
51°
38°
11
51°
37°
12
50°
36°
13
53°
41°
14
55°
43°
15
57°
44°
16
57°
42°
17
56°
44°
18
55°
43°
19
60°
44°
20
65°
48°
21
66°
48°
22
67°
44°
23
59°
39°
24
58°
41°
25
58°
41°
26
60°
42°
27
60°
41°
28
59°
41°
29
60°
42°
30
61°
43°
31
62°
47°
1
62°
44°
2
63°
45°
3
65°
52°
4
65°
49°
5
64°
49°
6
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Greenboro
Greenboro's May 2026 forecast shows daily high temperatures ranging from 48° to 71°, with overnight lows between 33° and 53°. The average high for May is 59° with an average low of 43°. 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 Greenboro. See also: June | July | August.