S
M
T
W
T
F
S
26
58°
43°
27
70°
39°
28
57°
47°
29
57°
51°
30
65°
43°
1
63°
37°
2
57°
43°
3
61°
40°
4
74°
38°
5
82°
54°
6
72°
55°
7
66°
50°
8
68°
40°
9
62°
49°
10
68°
49°
11
63°
45°
12
68°
38°
13
71°
52°
14
58°
49°
15
71°
49°
16
81°
48°
17
86°
59°
18
94°
63°
19
93°
68°
20
88°
66°
21
67°
54°
22
66°
48°
23
51°
47°
24
61°
57°
25
76°
59°
26
79°
63°
27
77°
62°
28
77°
57°
29
74°
52°
30
73°
55°
31
77°
59°
1
79°
60°
2
78°
59°
3
75°
60°
4
76°
57°
5
81°
62°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lower Allen
Lower Allen's May 2026 forecast shows daily high temperatures ranging from 51° to 81°, with overnight lows between 47° and 63°. The average high for May is 74° with an average low of 57°. 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 Lower Allen. See also: June | July | August.
