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