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°
64°
22
70°
62°
23
75°
63°
24
82°
58°
25
76°
60°
26
80°
59°
27
79°
64°
28
81°
62°
29
78°
59°
30
79°
59°
31
76°
60°
1
75°
60°
2
75°
58°
3
73°
60°
4
77°
63°
5
73°
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 70° to 82°, with overnight lows between 58° and 64°. The average high for August is 76° 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.
