S
M
T
W
T
F
S
28
89°
71°
29
89°
73°
30
90°
71°
1
90°
72°
2
95°
74°
3
90°
72°
4
89°
71°
5
86°
67°
6
86°
66°
7
86°
69°
8
85°
67°
9
91°
69°
10
86°
67°
11
84°
69°
12
85°
67°
13
86°
66°
14
90°
67°
15
88°
66°
16
84°
63°
17
83°
63°
18
84°
65°
19
90°
71°
20
90°
70°
21
91°
70°
22
91°
69°
23
90°
71°
24
92°
71°
25
91°
70°
26
91°
72°
27
92°
72°
28
92°
71°
29
93°
70°
30
92°
71°
31
92°
71°
1
90°
69°
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 83° to 95°, with overnight lows between 63° and 74°. The average high for July is 89° with an average low of 69°. 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.
