S
M
T
W
T
F
S
26
80°
62°
27
81°
62°
28
80°
61°
29
78°
62°
30
76°
62°
31
80°
61°
1
81°
62°
2
81°
61°
3
82°
61°
4
81°
62°
5
80°
60°
6
75°
61°
7
76°
57°
8
75°
55°
9
75°
55°
10
76°
56°
11
75°
60°
12
78°
61°
13
80°
60°
14
80°
54°
15
74°
54°
16
74°
58°
17
76°
60°
18
74°
54°
19
76°
54°
20
75°
55°
21
77°
54°
22
78°
54°
23
78°
53°
24
76°
52°
25
75°
53°
26
76°
57°
27
78°
58°
28
75°
57°
29
77°
59°
30
77°
55°
31
76°
50°
1
74°
49°
2
70°
50°
3
70°
50°
4
71°
51°
5
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monsey
Monsey's August 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 49° and 62°. The average high for August is 77° with an average low of 57°. 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 Monsey. See also: September | October | November.