S
M
T
W
T
F
S
26
58°
44°
27
71°
39°
28
62°
46°
29
62°
52°
30
69°
43°
1
67°
38°
2
61°
49°
3
63°
42°
4
78°
44°
5
85°
55°
6
72°
60°
7
65°
53°
8
73°
41°
9
75°
55°
10
83°
48°
11
63°
47°
12
71°
40°
13
76°
57°
14
63°
53°
15
72°
52°
16
86°
47°
17
88°
58°
18
95°
62°
19
97°
71°
20
96°
69°
21
70°
57°
22
60°
51°
23
56°
52°
24
68°
60°
25
74°
62°
26
74°
65°
27
76°
63°
28
74°
59°
29
79°
54°
30
73°
51°
31
70°
55°
1
75°
58°
2
78°
58°
3
77°
60°
4
76°
58°
5
80°
60°
6
75°
56°
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 56° to 80°, with overnight lows between 51° and 65°. The average high for May is 74° 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.
