S
M
T
W
T
F
S
28
83°
61°
29
83°
64°
30
89°
68°
1
87°
70°
2
88°
68°
3
90°
69°
4
90°
68°
5
83°
64°
6
85°
65°
7
86°
66°
8
85°
64°
9
84°
66°
10
83°
66°
11
79°
67°
12
81°
66°
13
81°
66°
14
82°
65°
15
80°
66°
16
83°
67°
17
81°
67°
18
86°
68°
19
87°
68°
20
87°
67°
21
86°
66°
22
84°
67°
23
83°
68°
24
87°
68°
25
86°
67°
26
82°
64°
27
86°
67°
28
86°
68°
29
80°
67°
30
86°
64°
31
81°
61°
1
79°
61°
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 79° to 90°, with overnight lows between 61° and 70°. The average high for July is 84° with an average low of 66°. 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.
