S
M
T
W
T
F
S
27
76°
52°
28
74°
52°
29
75°
51°
30
76°
52°
1
76°
52°
2
75°
45°
3
75°
43°
4
71°
43°
5
64°
45°
6
65°
38°
7
70°
37°
8
61°
45°
9
64°
47°
10
70°
48°
11
71°
49°
12
72°
46°
13
71°
44°
14
69°
40°
15
63°
41°
16
61°
43°
17
63°
39°
18
68°
36°
19
60°
44°
20
63°
43°
21
68°
43°
22
65°
45°
23
67°
45°
24
68°
44°
25
68°
45°
26
66°
42°
27
68°
38°
28
66°
33°
29
57°
36°
30
56°
42°
31
58°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Dedham
Dedham's October 2026 forecast shows daily high temperatures ranging from 56° to 76°, with overnight lows between 33° and 52°. The average high for October is 67° with an average low of 44°. 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 Dedham. See also: November | December | January.