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
66°
55°
6
60°
51°
7
60°
47°
8
61°
51°
9
58°
52°
10
64°
56°
11
63°
47°
12
63°
48°
13
64°
51°
14
66°
54°
15
66°
54°
16
70°
53°
17
68°
54°
18
67°
51°
19
71°
55°
20
71°
56°
21
68°
55°
22
70°
51°
23
65°
48°
24
63°
51°
25
65°
50°
26
66°
54°
27
66°
50°
28
67°
52°
29
66°
51°
30
66°
51°
31
68°
59°
1
72°
58°
2
70°
55°
3
69°
58°
4
73°
60°
5
72°
59°
6
70°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Amityville
Amityville's May 2026 forecast shows daily high temperatures ranging from 58° to 73°, with overnight lows between 47° and 60°. The average high for May is 66° with an average low of 53°. 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 Amityville. See also: June | July | August.