S
M
T
W
T
F
S
28
66°
53°
29
67°
53°
30
68°
54°
1
71°
53°
2
70°
52°
3
70°
55°
4
69°
56°
5
69°
53°
6
70°
54°
7
70°
53°
8
71°
56°
9
71°
56°
10
70°
57°
11
72°
57°
12
72°
56°
13
71°
58°
14
73°
58°
15
74°
57°
16
73°
56°
17
70°
54°
18
69°
54°
19
68°
53°
20
72°
54°
21
73°
58°
22
71°
58°
23
70°
57°
24
70°
58°
25
71°
58°
26
Hist. Avg.
71°
54°
27
Hist. Avg.
71°
54°
28
Hist. Avg.
71°
54°
29
Hist. Avg.
71°
54°
30
Hist. Avg.
71°
54°
31
Hist. Avg.
71°
54°
1
Hist. Avg.
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Dorchester
Dorchester's July 2026 forecast shows daily high temperatures ranging from 66° to 74°, with overnight lows between 52° and 58°. The average high for July is 70° with an average low of 55°. 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.
