S
M
T
W
T
F
S
26
82°
68°
27
83°
68°
28
82°
67°
29
79°
68°
30
78°
68°
31
82°
67°
1
83°
68°
2
83°
68°
3
85°
67°
4
84°
67°
5
83°
65°
6
81°
66°
7
78°
67°
8
79°
61°
9
78°
62°
10
79°
61°
11
78°
66°
12
81°
66°
13
83°
65°
14
83°
61°
15
79°
60°
16
77°
61°
17
79°
66°
18
76°
60°
19
80°
60°
20
78°
61°
21
79°
61°
22
79°
62°
23
80°
59°
24
81°
59°
25
78°
60°
26
79°
61°
27
77°
62°
28
75°
63°
29
80°
65°
30
81°
63°
31
80°
57°
1
78°
56°
2
73°
57°
3
73°
57°
4
74°
56°
5
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Amagansett
Amagansett's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 56° and 68°. The average high for August is 79° with an average low of 63°. 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 Amagansett. See also: September | October | November.
