S
M
T
W
T
F
S
26
57°
45°
27
56°
43°
28
59°
44°
29
58°
42°
30
57°
42°
1
59°
45°
2
60°
43°
3
59°
44°
4
60°
48°
5
69°
53°
6
69°
47°
7
62°
47°
8
70°
55°
9
72°
55°
10
72°
51°
11
64°
48°
12
61°
47°
13
63°
49°
14
62°
51°
15
63°
53°
16
63°
53°
17
64°
56°
18
73°
49°
19
66°
51°
20
70°
51°
21
68°
50°
22
67°
49°
23
66°
50°
24
67°
50°
25
69°
52°
26
69°
54°
27
70°
53°
28
69°
53°
29
71°
61°
30
70°
55°
31
75°
54°
1
71°
61°
2
72°
57°
3
74°
55°
4
74°
61°
5
77°
56°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bethpage
Bethpage's May 2026 forecast shows daily high temperatures ranging from 56° to 77°, with overnight lows between 42° and 61°. The average high for May is 67° with an average low of 51°. 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 Bethpage. See also: June | July | August.