S
M
T
W
T
F
S
26
85°
67°
27
85°
67°
28
84°
66°
29
85°
66°
30
85°
60°
31
78°
59°
1
77°
63°
2
76°
63°
3
78°
62°
4
82°
66°
5
83°
66°
6
84°
65°
7
81°
63°
8
78°
62°
9
79°
63°
10
80°
60°
11
82°
64°
12
83°
66°
13
85°
67°
14
86°
65°
15
85°
67°
16
87°
64°
17
86°
58°
18
78°
57°
19
76°
56°
20
76°
55°
21
77°
56°
22
77°
57°
23
78°
57°
24
78°
58°
25
80°
57°
26
83°
62°
27
83°
56°
28
77°
55°
29
77°
56°
30
78°
58°
31
79°
56°
1
81°
55°
2
77°
54°
3
76°
59°
4
80°
62°
5
83°
60°
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 76° to 87°, with overnight lows between 54° and 67°. The average high for August is 81° 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 Rochester. See also: September | October | November.
