S
M
T
W
T
F
S
26
81°
65°
27
79°
68°
28
78°
70°
29
79°
69°
30
78°
68°
31
78°
70°
1
79°
68°
2
78°
70°
3
78°
71°
4
80°
71°
5
81°
70°
6
78°
66°
7
77°
69°
8
79°
68°
9
77°
69°
10
77°
70°
11
78°
65°
12
77°
70°
13
78°
70°
14
80°
69°
15
77°
67°
16
77°
67°
17
78°
68°
18
77°
69°
19
77°
70°
20
80°
70°
21
81°
69°
22
81°
69°
23
79°
68°
24
83°
69°
25
82°
68°
26
81°
67°
27
82°
63°
28
75°
62°
29
74°
61°
30
73°
60°
31
72°
59°
1
73°
63°
2
74°
67°
3
74°
68°
4
80°
68°
5
81°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montauk
Montauk's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 59° and 71°. The average high for August is 78° with an average low of 68°. 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 Montauk. See also: September | October | November.
