S
M
T
W
T
F
S
26
84°
55°
27
87°
62°
28
82°
65°
29
78°
66°
30
77°
64°
31
84°
61°
1
89°
62°
2
84°
72°
3
82°
62°
4
85°
57°
5
83°
60°
6
91°
73°
7
90°
71°
8
85°
69°
9
88°
65°
10
86°
62°
11
85°
66°
12
84°
61°
13
85°
65°
14
85°
61°
15
81°
57°
16
81°
57°
17
81°
66°
18
84°
60°
19
85°
64°
20
81°
59°
21
81°
59°
22
78°
63°
23
80°
62°
24
80°
58°
25
78°
61°
26
79°
60°
27
78°
59°
28
79°
60°
29
80°
57°
30
80°
59°
31
78°
58°
1
75°
54°
2
76°
55°
3
75°
59°
4
75°
59°
5
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in East Fishkill
East Fishkill's August 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 54° and 64°. The average high for August is 79° with an average low of 59°. 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 East Fishkill. See also: September | October | November.