S
M
T
W
T
F
S
26
81°
64°
27
83°
64°
28
78°
66°
29
74°
64°
30
78°
65°
31
85°
60°
1
85°
63°
2
79°
71°
3
77°
61°
4
82°
57°
5
87°
61°
6
82°
69°
7
78°
69°
8
84°
67°
9
82°
67°
10
81°
65°
11
79°
62°
12
78°
60°
13
76°
61°
14
76°
59°
15
74°
57°
16
75°
59°
17
77°
61°
18
77°
61°
19
76°
60°
20
76°
60°
21
74°
58°
22
76°
64°
23
81°
65°
24
79°
64°
25
76°
64°
26
77°
63°
27
79°
64°
28
79°
63°
29
78°
64°
30
77°
63°
31
78°
62°
1
77°
60°
2
71°
58°
3
71°
56°
4
72°
57°
5
73°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Irondequoit
Irondequoit's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 56° and 69°. The average high for August is 77° 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 Irondequoit. See also: September | October | November.