S
M
T
W
T
F
S
26
74°
57°
27
83°
52°
28
82°
65°
29
71°
64°
30
70°
61°
31
80°
62°
1
85°
66°
2
84°
69°
3
76°
65°
4
84°
63°
5
85°
64°
6
89°
69°
7
90°
73°
8
89°
71°
9
87°
70°
10
86°
68°
11
85°
68°
12
85°
65°
13
83°
65°
14
82°
64°
15
80°
62°
16
83°
58°
17
74°
64°
18
82°
65°
19
87°
65°
20
88°
63°
21
71°
63°
22
69°
64°
23
73°
62°
24
82°
59°
25
78°
60°
26
80°
59°
27
82°
64°
28
81°
62°
29
83°
59°
30
79°
62°
31
80°
60°
1
78°
63°
2
79°
63°
3
79°
60°
4
77°
59°
5
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chestnut Hill
Chestnut Hill's August 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 59° and 64°. The average high for August is 79° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Chestnut Hill. See also: September | October | November.
