S
M
T
W
T
F
S
26
69°
53°
27
65°
45°
28
55°
41°
29
52°
39°
30
48°
39°
1
52°
37°
2
64°
37°
3
69°
50°
4
66°
35°
5
51°
31°
6
51°
34°
7
57°
35°
8
60°
37°
9
65°
44°
10
64°
43°
11
66°
45°
12
69°
46°
13
68°
47°
14
65°
45°
15
69°
48°
16
68°
44°
17
72°
48°
18
70°
49°
19
72°
48°
20
68°
46°
21
66°
42°
22
63°
41°
23
64°
42°
24
65°
41°
25
64°
42°
26
65°
43°
27
65°
43°
28
66°
44°
29
68°
53°
30
68°
49°
31
67°
46°
1
72°
51°
2
75°
54°
3
77°
55°
4
78°
56°
5
78°
57°
6
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pine Island
Pine Island's May 2026 forecast shows daily high temperatures ranging from 51° to 78°, with overnight lows between 31° and 57°. The average high for May is 67° with an average low of 45°. 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 Pine Island. See also: June | July | August.