S
M
T
W
T
F
S
26
82°
63°
27
84°
64°
28
85°
65°
29
81°
65°
30
84°
66°
31
86°
65°
1
85°
64°
2
81°
62°
3
79°
58°
4
79°
61°
5
80°
61°
6
79°
59°
7
81°
64°
8
83°
63°
9
85°
64°
10
85°
64°
11
84°
63°
12
83°
63°
13
84°
64°
14
85°
62°
15
85°
64°
16
80°
64°
17
79°
63°
18
85°
64°
19
84°
63°
20
81°
56°
21
84°
54°
22
78°
54°
23
78°
56°
24
79°
57°
25
78°
54°
26
78°
59°
27
79°
55°
28
77°
53°
29
76°
53°
30
76°
52°
31
77°
52°
1
76°
53°
2
76°
53°
3
75°
54°
4
73°
53°
5
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Wallkill
Wallkill's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 66°. The average high for August is 81° 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 Wallkill. See also: September | October | November.
