S
M
T
W
T
F
S
27
93°
68°
28
95°
73°
29
93°
70°
30
91°
75°
1
91°
73°
2
90°
73°
3
90°
73°
4
81°
73°
5
88°
72°
6
90°
72°
7
90°
68°
8
91°
70°
9
91°
66°
10
88°
63°
11
90°
66°
12
86°
75°
13
95°
79°
14
91°
73°
15
91°
72°
16
75°
57°
17
70°
48°
18
73°
50°
19
81°
54°
20
81°
55°
21
84°
61°
22
84°
59°
23
86°
55°
24
84°
57°
25
84°
61°
26
82°
59°
27
75°
66°
28
83°
64°
29
83°
66°
30
79°
69°
31
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Katy
Katy's October 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 64° and 69°. The average high for October is 81° 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 October weather will actually feel in Katy. See also: November | December | January.
