S
M
T
W
T
F
S
28
83°
59°
29
84°
62°
30
91°
71°
1
95°
72°
2
91°
72°
3
88°
68°
4
82°
66°
5
79°
63°
6
78°
63°
7
81°
65°
8
85°
63°
9
84°
62°
10
83°
64°
11
83°
63°
12
81°
63°
13
82°
64°
14
82°
62°
15
80°
55°
16
75°
58°
17
74°
57°
18
77°
56°
19
78°
62°
20
79°
62°
21
78°
61°
22
80°
61°
23
77°
60°
24
76°
61°
25
77°
60°
26
79°
62°
27
81°
62°
28
82°
61°
29
81°
63°
30
82°
62°
31
81°
62°
1
79°
60°
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 88°, with overnight lows between 55° and 68°. The average high for July is 80° with an average low of 62°. 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.
