S
M
T
W
T
F
S
26
85°
58°
27
86°
59°
28
81°
61°
29
87°
65°
30
80°
66°
1
67°
55°
2
74°
46°
3
77°
42°
4
82°
43°
5
83°
46°
6
89°
63°
7
82°
66°
8
76°
61°
9
69°
62°
10
83°
64°
11
87°
63°
12
71°
60°
13
84°
58°
14
83°
53°
15
83°
48°
16
89°
53°
17
91°
65°
18
91°
66°
19
93°
66°
20
92°
69°
21
89°
67°
22
89°
69°
23
89°
68°
24
88°
72°
25
79°
72°
26
89°
70°
27
87°
72°
28
90°
70°
29
86°
70°
30
90°
73°
31
91°
71°
1
93°
70°
2
89°
68°
3
83°
65°
4
85°
56°
5
88°
60°
6
89°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Allen Heights
Allen Heights's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Allen Heights. See also: June | July | August.