S
M
T
W
T
F
S
26
92°
72°
27
94°
75°
28
85°
65°
29
86°
64°
30
83°
65°
31
68°
61°
1
82°
61°
2
80°
60°
3
81°
63°
4
75°
60°
5
73°
59°
6
79°
63°
7
81°
64°
8
83°
63°
9
82°
61°
10
78°
62°
11
80°
61°
12
77°
62°
13
78°
61°
14
84°
60°
15
75°
63°
16
83°
63°
17
83°
64°
18
84°
63°
19
82°
62°
20
82°
63°
21
81°
64°
22
84°
64°
23
82°
63°
24
80°
63°
25
77°
62°
26
73°
60°
27
72°
58°
28
78°
61°
29
81°
61°
30
82°
62°
31
82°
62°
1
81°
61°
2
81°
62°
3
82°
62°
4
82°
61°
5
81°
61°
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 72° to 84°, with overnight lows between 58° and 64°. 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.
