S
M
T
W
T
F
S
26
79°
55°
27
82°
57°
28
63°
50°
29
61°
45°
30
63°
43°
1
66°
41°
2
64°
41°
3
77°
57°
4
79°
60°
5
66°
45°
6
61°
42°
7
65°
48°
8
74°
54°
9
72°
53°
10
75°
58°
11
75°
56°
12
73°
57°
13
72°
51°
14
74°
53°
15
75°
58°
16
74°
59°
17
79°
59°
18
78°
58°
19
77°
60°
20
79°
60°
21
78°
59°
22
74°
57°
23
72°
55°
24
76°
60°
25
76°
60°
26
74°
53°
27
72°
55°
28
75°
56°
29
74°
57°
30
81°
62°
31
82°
63°
1
83°
63°
2
83°
64°
3
82°
63°
4
77°
61°
5
76°
56°
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 61° to 83°, with overnight lows between 41° and 64°. 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.