S
M
T
W
T
F
S
28
73°
57°
29
76°
57°
30
80°
59°
1
71°
58°
2
80°
63°
3
91°
67°
4
87°
61°
5
76°
53°
6
73°
53°
7
74°
54°
8
76°
52°
9
73°
56°
10
77°
57°
11
76°
57°
12
75°
56°
13
77°
58°
14
74°
57°
15
70°
56°
16
70°
56°
17
71°
59°
18
71°
59°
19
72°
58°
20
72°
59°
21
73°
59°
22
72°
58°
23
72°
60°
24
73°
61°
25
74°
61°
26
75°
60°
27
75°
61°
28
76°
61°
29
76°
60°
30
77°
61°
31
77°
61°
1
76°
62°
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 70° to 91°, with overnight lows between 52° and 67°. The average high for July is 75° with an average low of 59°. 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.
