S
M
T
W
T
F
S
26
56°
40°
27
65°
41°
28
63°
43°
29
60°
47°
30
60°
47°
1
62°
44°
2
61°
50°
3
59°
44°
4
65°
48°
5
71°
55°
6
61°
51°
7
61°
47°
8
62°
49°
9
59°
51°
10
65°
57°
11
65°
50°
12
64°
51°
13
65°
53°
14
67°
55°
15
66°
56°
16
71°
55°
17
69°
55°
18
68°
53°
19
72°
57°
20
72°
58°
21
71°
56°
22
71°
51°
23
67°
50°
24
65°
51°
25
66°
51°
26
67°
54°
27
67°
52°
28
68°
53°
29
67°
52°
30
67°
53°
31
69°
61°
1
73°
59°
2
70°
55°
3
70°
59°
4
75°
62°
5
72°
59°
6
72°
61°
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 59° to 75°, with overnight lows between 47° and 62°. The average high for May is 68° with an average low of 54°. 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.