S
M
T
W
T
F
S
26
84°
65°
27
80°
60°
28
79°
61°
29
81°
65°
30
80°
60°
31
81°
65°
1
83°
62°
2
82°
58°
3
80°
59°
4
78°
58°
5
79°
59°
6
79°
59°
7
81°
60°
8
81°
59°
9
84°
64°
10
81°
65°
11
81°
65°
12
84°
64°
13
85°
66°
14
85°
64°
15
84°
58°
16
83°
58°
17
78°
59°
18
78°
62°
19
79°
57°
20
77°
56°
21
78°
57°
22
79°
58°
23
84°
63°
24
85°
64°
25
84°
59°
26
84°
56°
27
78°
55°
28
77°
56°
29
77°
62°
30
81°
63°
31
83°
63°
1
83°
59°
2
82°
56°
3
81°
61°
4
80°
61°
5
80°
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 77° to 85°, with overnight lows between 55° and 66°. 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.
