S
M
T
W
T
F
S
26
61°
39°
27
70°
39°
28
68°
41°
29
64°
43°
30
54°
46°
1
63°
41°
2
59°
46°
3
55°
41°
4
68°
45°
5
73°
52°
6
66°
55°
7
64°
45°
8
61°
45°
9
64°
46°
10
66°
52°
11
63°
50°
12
66°
43°
13
66°
48°
14
64°
52°
15
68°
48°
16
75°
48°
17
86°
61°
18
86°
61°
19
N/A
20
83°
59°
21
63°
50°
22
61°
49°
23
54°
51°
24
59°
54°
25
65°
57°
26
72°
58°
27
71°
56°
28
72°
55°
29
71°
56°
30
73°
56°
31
71°
57°
1
73°
58°
2
72°
54°
3
73°
59°
4
75°
58°
5
75°
60°
6
74°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Greenport
Greenport's May 2026 forecast shows daily high temperatures ranging from 54° to 83°, with overnight lows between 49° and 60°. The average high for May is 70° 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 Greenport. See also: June | July | August.
