S
M
T
W
T
F
S
27
68°
53°
28
73°
55°
29
75°
50°
30
72°
40°
1
70°
37°
2
64°
45°
3
65°
43°
4
62°
41°
5
68°
45°
6
68°
37°
7
59°
47°
8
65°
36°
9
61°
35°
10
57°
33°
11
57°
39°
12
58°
39°
13
53°
40°
14
58°
46°
15
64°
48°
16
65°
43°
17
65°
35°
18
55°
35°
19
49°
37°
20
55°
42°
21
61°
44°
22
59°
43°
23
60°
38°
24
60°
35°
25
48°
38°
26
51°
36°
27
49°
30°
28
46°
26°
29
46°
25°
30
47°
31°
31
49°
28°
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 46° to 75°, with overnight lows between 25° and 55°. The average high for October is 59° with an average low of 39°. 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.