S
M
T
W
T
F
S
27
67°
51°
28
58°
47°
29
69°
57°
30
64°
58°
1
71°
56°
2
72°
53°
3
68°
44°
4
62°
49°
5
60°
47°
6
55°
42°
7
59°
45°
8
64°
49°
9
65°
45°
10
58°
42°
11
59°
46°
12
62°
47°
13
58°
45°
14
60°
42°
15
52°
40°
16
59°
45°
17
60°
44°
18
60°
41°
19
52°
44°
20
57°
46°
21
58°
46°
22
59°
45°
23
57°
45°
24
58°
43°
25
52°
41°
26
54°
44°
27
57°
44°
28
55°
43°
29
53°
42°
30
56°
41°
31
51°
42°
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 51° to 72°, with overnight lows between 40° and 56°. The average high for October is 59° with an average low of 45°. 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.
