S
M
T
W
T
F
S
28
75°
61°
29
78°
66°
30
89°
65°
1
92°
71°
2
101°
78°
3
100°
82°
4
94°
76°
5
79°
69°
6
73°
66°
7
69°
63°
8
77°
61°
9
93°
72°
10
89°
73°
11
77°
69°
12
77°
66°
13
86°
65°
14
90°
72°
15
84°
72°
16
89°
69°
17
85°
67°
18
82°
63°
19
81°
69°
20
82°
64°
21
79°
62°
22
86°
69°
23
81°
64°
24
80°
59°
25
77°
55°
26
77°
56°
27
79°
62°
28
79°
69°
29
74°
66°
30
78°
67°
31
82°
66°
1
83°
67°
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 74° to 83°, with overnight lows between 55° and 69°. The average high for July is 79° with an average low of 63°. 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.
