S
M
T
W
T
F
S
26
64°
43°
27
77°
39°
28
75°
55°
29
63°
50°
30
57°
37°
1
52°
36°
2
52°
32°
3
63°
30°
4
73°
46°
5
72°
57°
6
61°
43°
7
61°
37°
8
72°
37°
9
73°
52°
10
70°
50°
11
70°
47°
12
75°
42°
13
72°
50°
14
64°
45°
15
70°
39°
16
75°
54°
17
86°
61°
18
88°
64°
19
88°
66°
20
72°
52°
21
66°
48°
22
64°
52°
23
76°
64°
24
75°
62°
25
79°
65°
26
77°
66°
27
75°
63°
28
80°
55°
29
76°
52°
30
73°
55°
31
74°
53°
1
76°
54°
2
73°
55°
3
75°
54°
4
75°
57°
5
79°
55°
6
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Adelphi
Adelphi's May 2026 forecast shows daily high temperatures ranging from 73° to 80°, with overnight lows between 52° and 66°. The average high for May is 76° with an average low of 58°. 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 Adelphi. See also: June | July | August.
