S
M
T
W
T
F
S
26
82°
53°
27
85°
62°
28
79°
61°
29
76°
66°
30
78°
63°
31
83°
60°
1
88°
61°
2
84°
67°
3
82°
62°
4
84°
57°
5
82°
58°
6
90°
72°
7
87°
69°
8
85°
69°
9
87°
63°
10
85°
60°
11
84°
66°
12
84°
62°
13
84°
63°
14
85°
59°
15
81°
57°
16
79°
59°
17
80°
66°
18
85°
61°
19
84°
57°
20
78°
59°
21
79°
57°
22
79°
60°
23
80°
57°
24
77°
53°
25
77°
54°
26
79°
56°
27
78°
59°
28
81°
54°
29
79°
54°
30
82°
62°
31
80°
65°
1
79°
67°
2
78°
66°
3
81°
61°
4
77°
58°
5
76°
56°
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 76° to 82°, with overnight lows between 54° and 67°. 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 Wallkill. See also: September | October | November.
