S
M
T
W
T
F
S
28
83°
66°
29
85°
67°
30
87°
67°
1
87°
69°
2
86°
67°
3
83°
71°
4
83°
70°
5
86°
70°
6
90°
72°
7
91°
72°
8
91°
71°
9
90°
72°
10
91°
72°
11
91°
70°
12
87°
71°
13
86°
71°
14
84°
70°
15
85°
70°
16
89°
71°
17
88°
71°
18
84°
69°
19
85°
65°
20
84°
65°
21
84°
66°
22
85°
71°
23
84°
71°
24
86°
69°
25
87°
71°
26
90°
72°
27
87°
63°
28
86°
64°
29
88°
67°
30
92°
68°
31
90°
72°
1
93°
65°
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 83° to 93°, with overnight lows between 63° and 72°. The average high for July is 87° with an average low of 69°. 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.
