S
M
T
W
T
F
S
28
83°
59°
29
84°
62°
30
91°
71°
1
95°
72°
2
94°
73°
3
94°
71°
4
82°
70°
5
77°
64°
6
77°
63°
7
78°
59°
8
85°
65°
9
78°
64°
10
80°
62°
11
79°
58°
12
80°
57°
13
82°
60°
14
81°
62°
15
80°
61°
16
80°
63°
17
81°
57°
18
77°
56°
19
78°
62°
20
74°
54°
21
74°
54°
22
75°
55°
23
75°
58°
24
76°
60°
25
78°
61°
26
75°
60°
27
76°
60°
28
80°
62°
29
81°
62°
30
79°
61°
31
79°
63°
1
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dorchester
Dorchester's July 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 54° and 65°. The average high for July is 78° with an average low of 60°. 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 Dorchester. See also: August | September | October.
