S
M
T
W
T
F
S
26
88°
71°
27
89°
72°
28
79°
68°
29
82°
64°
30
88°
67°
31
90°
71°
1
81°
70°
2
78°
64°
3
83°
61°
4
87°
61°
5
91°
63°
6
85°
70°
7
88°
72°
8
89°
72°
9
87°
64°
10
87°
68°
11
82°
66°
12
85°
64°
13
84°
64°
14
84°
59°
15
78°
66°
16
84°
62°
17
78°
62°
18
80°
61°
19
83°
60°
20
81°
64°
21
80°
64°
22
76°
60°
23
78°
61°
24
79°
60°
25
80°
64°
26
82°
64°
27
82°
63°
28
82°
62°
29
74°
59°
30
73°
57°
31
73°
57°
1
74°
60°
2
77°
62°
3
80°
63°
4
79°
62°
5
79°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rochester
Rochester's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 57° and 66°. The average high for August is 80° with an average low of 62°. 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 Rochester. See also: September | October | November.
