S
M
T
W
T
F
S
27
68°
52°
28
66°
45°
29
73°
55°
30
70°
55°
1
68°
48°
2
68°
52°
3
66°
52°
4
70°
50°
5
70°
54°
6
64°
57°
7
57°
45°
8
60°
53°
9
63°
50°
10
59°
49°
11
58°
54°
12
63°
61°
13
66°
54°
14
65°
52°
15
61°
53°
16
60°
51°
17
60°
52°
18
62°
51°
19
58°
52°
20
59°
51°
21
60°
49°
22
59°
48°
23
59°
47°
24
56°
44°
25
56°
48°
26
56°
43°
27
58°
49°
28
58°
45°
29
55°
45°
30
54°
42°
31
54°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Dorchester
Dorchester's October 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 42° and 61°. The average high for October is 59° with an average low of 50°. 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 Dorchester. See also: November | December | January.
