S
M
T
W
T
F
S
26
80°
51°
27
85°
55°
28
80°
61°
29
70°
56°
30
64°
46°
1
65°
43°
2
61°
39°
3
66°
50°
4
78°
58°
5
76°
60°
6
70°
46°
7
60°
44°
8
64°
49°
9
69°
50°
10
72°
53°
11
73°
55°
12
74°
54°
13
73°
52°
14
75°
53°
15
73°
58°
16
75°
57°
17
77°
59°
18
79°
59°
19
77°
58°
20
78°
60°
21
80°
60°
22
80°
59°
23
78°
59°
24
75°
58°
25
78°
61°
26
79°
61°
27
77°
59°
28
75°
60°
29
78°
59°
30
75°
56°
31
77°
61°
1
79°
62°
2
83°
63°
3
83°
62°
4
80°
58°
5
76°
58°
6
76°
56°
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 60° to 83°, with overnight lows between 39° and 63°. The average high for May is 75° with an average low of 56°. 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.