S
M
T
W
T
F
S
28
76°
60°
29
76°
61°
30
75°
61°
1
76°
62°
2
77°
63°
3
77°
67°
4
78°
66°
5
77°
63°
6
78°
65°
7
79°
69°
8
84°
70°
9
85°
66°
10
78°
65°
11
78°
66°
12
80°
69°
13
80°
66°
14
79°
64°
15
80°
68°
16
80°
69°
17
79°
69°
18
80°
66°
19
79°
69°
20
79°
70°
21
81°
70°
22
79°
69°
23
78°
69°
24
78°
68°
25
79°
67°
26
80°
67°
27
80°
70°
28
81°
67°
29
81°
67°
30
83°
70°
31
84°
69°
1
84°
63°
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 75° to 85°, with overnight lows between 60° and 70°. The average high for July is 79° with an average low of 67°. 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.
