S
M
T
W
T
F
S
26
87°
68°
27
81°
67°
28
81°
63°
29
82°
67°
30
87°
69°
31
87°
68°
1
84°
67°
2
82°
68°
3
87°
60°
4
82°
60°
5
81°
62°
6
82°
61°
7
81°
60°
8
82°
59°
9
81°
59°
10
82°
63°
11
83°
66°
12
86°
66°
13
87°
60°
14
81°
60°
15
81°
63°
16
82°
63°
17
84°
59°
18
80°
60°
19
80°
58°
20
81°
58°
21
83°
62°
22
85°
65°
23
86°
65°
24
87°
64°
25
86°
64°
26
87°
63°
27
86°
64°
28
85°
63°
29
85°
60°
30
83°
56°
31
79°
53°
1
77°
54°
2
77°
57°
3
78°
56°
4
78°
54°
5
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Penfield
Penfield's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 53° and 69°. The average high for August is 83° 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 Penfield. See also: September | October | November.