S
M
T
W
T
F
S
27
68°
48°
28
66°
43°
29
70°
46°
30
70°
57°
1
68°
46°
2
68°
54°
3
68°
50°
4
72°
45°
5
70°
52°
6
64°
55°
7
60°
46°
8
N/A
9
63°
50°
10
61°
50°
11
60°
57°
12
63°
60°
13
66°
53°
14
64°
54°
15
61°
52°
16
60°
50°
17
61°
52°
18
60°
51°
19
58°
52°
20
59°
51°
21
61°
51°
22
60°
50°
23
60°
50°
24
58°
49°
25
60°
50°
26
56°
50°
27
60°
51°
28
59°
49°
29
57°
47°
30
54°
49°
31
56°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Dartmouth
Dartmouth's October 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 47° and 60°. The average high for October is 60° with an average low of 51°. 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.
