S
M
T
W
T
F
S
27
93°
77°
28
91°
79°
29
90°
77°
30
91°
79°
1
90°
77°
2
88°
73°
3
88°
75°
4
77°
73°
5
84°
70°
6
88°
75°
7
90°
75°
8
90°
75°
9
90°
70°
10
86°
72°
11
90°
73°
12
88°
77°
13
94°
78°
14
91°
73°
15
90°
73°
16
85°
59°
17
76°
57°
18
79°
65°
19
81°
69°
20
81°
72°
21
84°
70°
22
83°
70°
23
84°
67°
24
83°
66°
25
82°
65°
26
79°
58°
27
80°
59°
28
79°
62°
29
78°
61°
30
77°
62°
31
77°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Houston
Houston's October 2026 forecast shows daily high temperatures ranging from 76° to 94°, with overnight lows between 57° and 78°. The average high for October 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 October weather will actually feel in Houston. See also: November | December | January.