S
M
T
W
T
F
S
27
90°
69°
28
89°
69°
29
90°
68°
30
86°
68°
1
89°
67°
2
88°
67°
3
88°
66°
4
87°
67°
5
82°
67°
6
85°
66°
7
86°
66°
8
87°
66°
9
86°
66°
10
85°
64°
11
80°
61°
12
75°
58°
13
73°
52°
14
71°
51°
15
72°
51°
16
72°
52°
17
73°
56°
18
73°
53°
19
70°
51°
20
70°
51°
21
71°
54°
22
72°
59°
23
83°
52°
24
80°
52°
25
76°
49°
26
80°
44°
27
69°
46°
28
70°
56°
29
70°
58°
30
74°
44°
31
79°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Terrell
Terrell's October 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 43° and 69°. The average high for October is 79° with an average low of 58°. 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 Terrell. See also: November | December | January.