S
M
T
W
T
F
S
27
99°
73°
28
98°
69°
29
97°
73°
30
92°
78°
1
84°
69°
2
82°
70°
3
73°
67°
4
80°
68°
5
87°
63°
6
88°
58°
7
91°
59°
8
89°
55°
9
92°
60°
10
91°
58°
11
90°
63°
12
88°
67°
13
94°
75°
14
92°
75°
15
89°
61°
16
64°
49°
17
66°
43°
18
71°
44°
19
76°
48°
20
80°
51°
21
83°
49°
22
84°
52°
23
84°
54°
24
82°
50°
25
81°
57°
26
79°
55°
27
83°
57°
28
82°
58°
29
76°
63°
30
73°
61°
31
73°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Dennis
Dennis's October 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for October is ° with an average low of °. 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 Dennis. See also: November | December | January.
