S
M
T
W
T
F
S
27
85°
58°
28
78°
59°
29
75°
60°
30
76°
57°
1
75°
56°
2
76°
57°
3
76°
59°
4
75°
55°
5
77°
62°
6
83°
63°
7
84°
59°
8
79°
59°
9
72°
63°
10
73°
51°
11
82°
49°
12
75°
50°
13
69°
53°
14
71°
61°
15
71°
61°
16
77°
59°
17
76°
61°
18
80°
55°
19
78°
50°
20
74°
54°
21
76°
53°
22
72°
57°
23
72°
60°
24
77°
59°
25
Hist. Avg.
72°
52°
26
Hist. Avg.
71°
51°
27
Hist. Avg.
71°
51°
28
Hist. Avg.
71°
51°
29
Hist. Avg.
70°
50°
30
Hist. Avg.
70°
50°
31
Hist. Avg.
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Denison
Denison's October 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 49° and 63°. The average high for October is 76° with an average low of 57°. 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 Denison. See also: November | December | January.
