S
M
T
W
T
F
S
26
84°
66°
27
82°
60°
28
77°
64°
29
81°
65°
30
80°
62°
31
80°
57°
1
78°
58°
2
78°
58°
3
77°
59°
4
77°
57°
5
78°
58°
6
79°
59°
7
79°
60°
8
80°
66°
9
82°
66°
10
83°
63°
11
84°
65°
12
85°
65°
13
82°
59°
14
85°
57°
15
77°
57°
16
77°
60°
17
78°
57°
18
77°
57°
19
75°
56°
20
76°
57°
21
77°
58°
22
76°
58°
23
76°
59°
24
77°
59°
25
77°
60°
26
76°
64°
27
80°
65°
28
83°
62°
29
84°
55°
30
82°
58°
31
75°
55°
1
75°
56°
2
74°
61°
3
79°
54°
4
78°
54°
5
74°
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 74° to 85°, with overnight lows between 54° and 66°. The average high for August is 79° 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 Rochester. See also: September | October | November.
