S
M
T
W
T
F
S
28
71°
56°
29
67°
56°
30
71°
50°
1
69°
49°
2
70°
50°
3
68°
50°
4
69°
51°
5
68°
52°
6
72°
50°
7
70°
51°
8
73°
54°
9
73°
56°
10
72°
54°
11
71°
51°
12
72°
56°
13
74°
52°
14
72°
53°
15
73°
57°
16
74°
58°
17
74°
57°
18
73°
57°
19
73°
56°
20
72°
53°
21
72°
52°
22
74°
53°
23
75°
53°
24
75°
57°
25
74°
58°
26
76°
57°
27
73°
54°
28
70°
55°
29
71°
57°
30
70°
57°
31
72°
56°
1
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Boston
Boston's July 2026 forecast shows daily high temperatures ranging from 67° to 76°, with overnight lows between 49° and 58°. The average high for July is 72° with an average low of 54°. 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 Boston. See also: August | September | October.
