S
M
T
W
T
F
S
28
67°
52°
29
71°
54°
30
73°
55°
1
69°
54°
2
74°
55°
3
74°
55°
4
73°
53°
5
72°
55°
6
70°
58°
7
70°
57°
8
77°
58°
9
77°
58°
10
78°
57°
11
77°
57°
12
75°
56°
13
71°
51°
14
73°
53°
15
77°
53°
16
75°
55°
17
75°
59°
18
76°
58°
19
72°
59°
20
75°
53°
21
72°
54°
22
76°
56°
23
78°
52°
24
76°
54°
25
74°
59°
26
78°
57°
27
77°
60°
28
79°
60°
29
78°
59°
30
79°
57°
31
79°
61°
1
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dartmouth
Dartmouth's July 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 51° and 61°. The average high for July is 75° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Dartmouth. See also: August | September | October.
