S
M
T
W
T
F
S
26
86°
75°
27
88°
77°
28
90°
77°
29
88°
70°
30
82°
68°
1
68°
57°
2
73°
51°
3
79°
58°
4
80°
68°
5
83°
72°
6
85°
62°
7
78°
57°
8
78°
65°
9
82°
69°
10
83°
68°
11
78°
62°
12
85°
68°
13
85°
66°
14
86°
67°
15
87°
65°
16
81°
68°
17
80°
67°
18
81°
68°
19
82°
68°
20
83°
67°
21
85°
66°
22
83°
62°
23
81°
63°
24
82°
66°
25
83°
64°
26
82°
63°
27
82°
64°
28
83°
65°
29
84°
69°
30
83°
69°
31
82°
70°
1
84°
69°
2
85°
68°
3
86°
71°
4
86°
72°
5
87°
71°
6
82°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waller
Waller's May 2026 forecast shows daily high temperatures ranging from 73° to 87°, with overnight lows between 51° and 72°. The average high for May is 82° with an average low of 66°. 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 Waller. See also: June | July | August.