S
M
T
W
T
F
S
28
81°
59°
29
84°
67°
30
82°
66°
1
86°
67°
2
85°
65°
3
81°
62°
4
79°
61°
5
78°
59°
6
80°
61°
7
79°
62°
8
76°
57°
9
77°
59°
10
76°
61°
11
75°
61°
12
80°
60°
13
79°
61°
14
79°
61°
15
81°
62°
16
81°
62°
17
80°
61°
18
81°
62°
19
80°
62°
20
76°
61°
21
77°
61°
22
78°
62°
23
81°
63°
24
81°
61°
25
76°
60°
26
76°
62°
27
81°
62°
28
79°
61°
29
80°
62°
30
78°
58°
31
73°
56°
1
74°
60°
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 73° to 86°, with overnight lows between 56° and 67°. The average high for July is 79° with an average low of 61°. 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.
