S
M
T
W
T
F
S
26
78°
55°
27
77°
62°
28
60°
49°
29
61°
44°
30
65°
39°
1
63°
38°
2
62°
40°
3
79°
40°
4
81°
55°
5
69°
44°
6
61°
43°
7
67°
40°
8
67°
48°
9
80°
51°
10
67°
47°
11
77°
46°
12
80°
52°
13
75°
54°
14
79°
59°
15
87°
65°
16
83°
64°
17
87°
70°
18
83°
60°
19
78°
58°
20
64°
51°
21
68°
52°
22
72°
56°
23
76°
57°
24
79°
60°
25
79°
61°
26
82°
62°
27
79°
58°
28
78°
61°
29
82°
60°
30
75°
57°
31
74°
58°
1
74°
55°
2
75°
58°
3
76°
64°
4
84°
65°
5
84°
66°
6
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Katy Township
Katy Township's May 2026 forecast shows daily high temperatures ranging from 64° to 87°, with overnight lows between 51° and 70°. The average high for May is 78° with an average low of 60°. 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 Katy Township. See also: June | July | August.