S
M
T
W
T
F
S
26
55°
39°
27
65°
40°
28
63°
40°
29
60°
43°
30
58°
46°
1
63°
40°
2
59°
49°
3
59°
43°
4
65°
46°
5
67°
53°
6
62°
56°
7
64°
45°
8
64°
44°
9
62°
48°
10
67°
52°
11
60°
45°
12
65°
46°
13
65°
51°
14
67°
53°
15
67°
50°
16
73°
47°
17
84°
57°
18
84°
63°
19
90°
65°
20
93°
57°
21
67°
52°
22
63°
51°
23
61°
53°
24
65°
56°
25
71°
57°
26
72°
58°
27
72°
57°
28
72°
58°
29
74°
58°
30
72°
59°
31
76°
55°
1
72°
57°
2
69°
55°
3
67°
56°
4
69°
60°
5
72°
60°
6
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Nissequogue
Nissequogue's May 2026 forecast shows daily high temperatures ranging from 61° to 93°, with overnight lows between 51° and 65°. The average high for May is 73° with an average low of 57°. 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 Nissequogue. See also: June | July | August.
