S
M
T
W
T
F
S
27
76°
61°
28
76°
60°
29
75°
59°
30
68°
54°
1
66°
55°
2
66°
58°
3
73°
58°
4
73°
57°
5
72°
58°
6
72°
57°
7
71°
58°
8
72°
57°
9
72°
57°
10
70°
56°
11
65°
56°
12
64°
50°
13
61°
47°
14
61°
47°
15
63°
49°
16
64°
44°
17
59°
51°
18
59°
55°
19
67°
52°
20
68°
52°
21
66°
50°
22
61°
50°
23
62°
50°
24
57°
50°
25
59°
49°
26
62°
50°
27
59°
46°
28
65°
40°
29
65°
40°
30
54°
46°
31
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Dartmouth
Dartmouth's October 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 40° and 61°. The average high for October is 66° with an average low of 52°. 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 Dartmouth. See also: November | December | January.
