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°
78°
15
92°
70°
16
91°
68°
17
85°
63°
18
79°
70°
19
80°
67°
20
82°
67°
21
80°
67°
22
81°
68°
23
77°
65°
24
82°
68°
25
80°
67°
26
80°
67°
27
79°
68°
28
78°
70°
29
79°
67°
30
78°
67°
31
79°
69°
1
79°
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 77° to 92°, with overnight lows between 63° and 78°. The average high for July is 82° with an average low of 68°. 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.
