S
M
T
W
T
F
S
27
84°
65°
28
85°
64°
29
85°
65°
30
84°
65°
1
85°
64°
2
85°
57°
3
84°
56°
4
75°
57°
5
76°
56°
6
77°
58°
7
78°
63°
8
81°
60°
9
82°
62°
10
80°
62°
11
76°
54°
12
80°
59°
13
Hist. Avg.
77°
56°
14
Hist. Avg.
76°
56°
15
Hist. Avg.
76°
56°
16
Hist. Avg.
75°
55°
17
Hist. Avg.
75°
55°
18
Hist. Avg.
75°
54°
19
Hist. Avg.
74°
54°
20
Hist. Avg.
74°
54°
21
Hist. Avg.
73°
53°
22
Hist. Avg.
73°
53°
23
Hist. Avg.
73°
52°
24
Hist. Avg.
72°
52°
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 75° to 85°, with overnight lows between 54° and 65°. The average high for October is 81° with an average low of 60°. 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.
