S
M
T
W
T
F
S
26
52°
38°
27
62°
37°
28
61°
41°
29
56°
41°
30
52°
46°
1
59°
46°
2
53°
47°
3
55°
44°
4
61°
47°
5
58°
51°
6
59°
53°
7
61°
49°
8
61°
42°
9
59°
50°
10
60°
51°
11
58°
48°
12
60°
48°
13
59°
51°
14
57°
48°
15
61°
46°
16
68°
46°
17
80°
57°
18
74°
56°
19
72°
60°
20
83°
62°
21
65°
52°
22
63°
51°
23
60°
51°
24
58°
55°
25
67°
59°
26
73°
63°
27
78°
61°
28
75°
55°
29
66°
55°
30
66°
52°
31
70°
58°
1
71°
57°
2
71°
60°
3
72°
59°
4
72°
61°
5
76°
53°
6
67°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Montauk Beach
Montauk Beach's May 2026 forecast shows daily high temperatures ranging from 58° to 78°, with overnight lows between 51° and 63°. The average high for May is 69° 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 Montauk Beach. See also: June | July | August.
