S
M
T
W
T
F
S
28
79°
58°
29
80°
59°
30
80°
64°
1
84°
62°
2
85°
63°
3
81°
60°
4
80°
58°
5
81°
58°
6
84°
60°
7
83°
67°
8
84°
68°
9
88°
69°
10
89°
64°
11
89°
68°
12
83°
65°
13
88°
61°
14
82°
62°
15
82°
61°
16
81°
62°
17
80°
65°
18
84°
63°
19
83°
62°
20
86°
61°
21
83°
64°
22
84°
60°
23
83°
62°
24
84°
64°
25
85°
61°
26
86°
63°
27
82°
63°
28
Hist. Avg.
82°
66°
29
Hist. Avg.
82°
66°
30
Hist. Avg.
82°
66°
31
Hist. Avg.
82°
66°
1
Hist. Avg.
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Brookline
Brookline's July 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 58° and 69°. The average high for July is 83° with an average low of 63°. 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.