S
M
T
W
T
F
S
26
85°
77°
27
85°
78°
28
85°
77°
29
85°
72°
30
86°
69°
1
73°
58°
2
77°
57°
3
79°
55°
4
80°
63°
5
83°
75°
6
84°
70°
7
75°
67°
8
81°
66°
9
88°
72°
10
87°
72°
11
84°
68°
12
85°
64°
13
84°
66°
14
84°
67°
15
85°
76°
16
86°
75°
17
85°
79°
18
84°
79°
19
88°
72°
20
83°
67°
21
82°
70°
22
85°
72°
23
85°
70°
24
85°
71°
25
85°
70°
26
86°
71°
27
80°
66°
28
85°
64°
29
87°
72°
30
87°
75°
31
87°
77°
1
88°
77°
2
89°
75°
3
88°
76°
4
85°
78°
5
84°
78°
6
85°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Palacios
Palacios's May 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 75° and 78°. The average high for May is 87° with an average low of 77°. 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 Palacios. See also: June | July | August.