S
M
T
W
T
F
S
28
82°
67°
29
87°
72°
30
95°
77°
1
95°
74°
2
96°
76°
3
95°
73°
4
90°
71°
5
89°
69°
6
88°
66°
7
84°
69°
8
86°
68°
9
88°
69°
10
84°
67°
11
85°
64°
12
82°
66°
13
79°
60°
14
77°
60°
15
77°
59°
16
78°
61°
17
79°
61°
18
79°
63°
19
80°
66°
20
84°
67°
21
84°
68°
22
82°
68°
23
80°
67°
24
81°
68°
25
84°
67°
26
85°
68°
27
85°
68°
28
84°
67°
29
81°
63°
30
80°
61°
31
77°
60°
1
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Brookline
Brookline's July 2026 forecast shows daily high temperatures ranging from 77° to 96°, with overnight lows between 59° and 77°. The average high for July is 84° 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 Brookline. See also: August | September | October.