S
M
T
W
T
F
S
28
77°
63°
29
79°
66°
30
78°
62°
1
77°
61°
2
78°
60°
3
79°
60°
4
81°
62°
5
83°
66°
6
85°
67°
7
85°
68°
8
84°
67°
9
83°
67°
10
85°
68°
11
86°
68°
12
86°
67°
13
85°
68°
14
85°
68°
15
82°
67°
16
80°
68°
17
80°
60°
18
81°
61°
19
85°
65°
20
86°
66°
21
87°
67°
22
81°
61°
23
80°
60°
24
82°
60°
25
82°
65°
26
84°
61°
27
79°
59°
28
79°
60°
29
80°
63°
30
80°
66°
31
79°
66°
1
84°
63°
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 77° to 87°, with overnight lows between 59° and 68°. The average high for July is 82° with an average low of 64°. 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.
