S
M
T
W
T
F
S
26
81°
61°
27
86°
64°
28
81°
65°
29
78°
60°
30
82°
55°
31
87°
61°
1
79°
69°
2
81°
67°
3
79°
60°
4
83°
55°
5
87°
64°
6
86°
69°
7
84°
69°
8
87°
66°
9
84°
63°
10
80°
68°
11
76°
67°
12
81°
65°
13
80°
67°
14
80°
59°
15
78°
66°
16
82°
66°
17
76°
59°
18
77°
58°
19
78°
59°
20
79°
59°
21
78°
61°
22
75°
59°
23
75°
59°
24
77°
58°
25
75°
56°
26
80°
61°
27
82°
62°
28
82°
60°
29
76°
56°
30
74°
54°
31
73°
56°
1
75°
61°
2
74°
61°
3
79°
60°
4
80°
61°
5
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in East Rochester
East Rochester's August 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 54° and 67°. The average high for August is 78° with an average low of 60°. 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 East Rochester. See also: September | October | November.