S
M
T
W
T
F
S
26
58°
42°
27
69°
41°
28
69°
43°
29
65°
49°
30
62°
48°
1
65°
45°
2
62°
50°
3
60°
45°
4
73°
53°
5
82°
61°
6
66°
51°
7
61°
42°
8
61°
46°
9
54°
41°
10
61°
42°
11
58°
41°
12
60°
43°
13
61°
44°
14
60°
43°
15
60°
45°
16
62°
47°
17
65°
44°
18
69°
49°
19
68°
49°
20
68°
48°
21
67°
47°
22
67°
43°
23
61°
41°
24
61°
43°
25
62°
43°
26
63°
45°
27
63°
43°
28
64°
44°
29
63°
43°
30
63°
44°
31
65°
52°
1
69°
51°
2
66°
46°
3
66°
50°
4
71°
53°
5
68°
50°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in New Hempstead
New Hempstead's May 2026 forecast shows daily high temperatures ranging from 54° to 82°, with overnight lows between 41° and 61°. The average high for May is 65° with an average low of 46°. 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 New Hempstead. See also: June | July | August.