S
M
T
W
T
F
S
26
84°
73°
27
86°
77°
28
86°
75°
29
84°
73°
30
90°
68°
1
68°
57°
2
75°
55°
3
77°
57°
4
80°
71°
5
83°
76°
6
85°
72°
7
77°
64°
8
80°
69°
9
82°
68°
10
84°
67°
11
82°
66°
12
84°
68°
13
83°
71°
14
84°
69°
15
83°
68°
16
84°
69°
17
83°
68°
18
79°
69°
19
80°
70°
20
81°
70°
21
82°
67°
22
82°
65°
23
80°
65°
24
80°
67°
25
82°
66°
26
81°
65°
27
81°
66°
28
82°
68°
29
82°
71°
30
81°
71°
31
80°
72°
1
83°
70°
2
84°
72°
3
84°
73°
4
85°
73°
5
82°
72°
6
81°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wallisville
Wallisville's May 2026 forecast shows daily high temperatures ranging from 77° to 85°, with overnight lows between 64° and 76°. The average high for May is 82° with an average low of 69°. 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 Wallisville. See also: June | July | August.