S
M
T
W
T
F
S
28
91°
73°
29
95°
73°
30
95°
77°
1
91°
73°
2
91°
70°
3
95°
70°
4
97°
73°
5
94°
74°
6
90°
74°
7
88°
73°
8
91°
74°
9
94°
73°
10
93°
72°
11
93°
71°
12
88°
70°
13
87°
71°
14
88°
70°
15
92°
71°
16
90°
72°
17
89°
73°
18
91°
71°
19
89°
72°
20
93°
74°
21
93°
73°
22
92°
73°
23
87°
72°
24
88°
72°
25
87°
71°
26
88°
72°
27
86°
71°
28
88°
72°
29
88°
73°
30
89°
73°
31
89°
72°
1
92°
72°
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 86° to 94°, with overnight lows between 70° and 74°. The average high for July is 90° with an average low of 72°. 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.
