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
N/A
5
69°
55°
6
64°
53°
7
62°
44°
8
61°
48°
9
65°
52°
10
70°
54°
11
69°
50°
12
66°
48°
13
65°
53°
14
67°
54°
15
69°
55°
16
71°
54°
17
70°
54°
18
69°
52°
19
75°
56°
20
74°
55°
21
72°
55°
22
73°
51°
23
68°
49°
24
66°
51°
25
68°
50°
26
68°
53°
27
69°
50°
28
68°
52°
29
69°
51°
30
68°
51°
31
70°
59°
1
74°
58°
2
72°
55°
3
71°
58°
4
75°
60°
5
74°
59°
6
72°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in East Setauket
East Setauket's May 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 44° and 60°. The average high for May is 69° with an average low of 53°. 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 East Setauket. See also: June | July | August.
