S
M
T
W
T
F
S
26
84°
66°
27
84°
68°
28
83°
67°
29
85°
66°
30
82°
66°
31
81°
70°
1
85°
65°
2
80°
64°
3
82°
64°
4
81°
65°
5
80°
68°
6
81°
68°
7
80°
69°
8
82°
69°
9
81°
65°
10
82°
69°
11
83°
67°
12
82°
63°
13
81°
65°
14
83°
69°
15
86°
65°
16
80°
63°
17
80°
63°
18
81°
62°
19
79°
66°
20
79°
63°
21
80°
63°
22
77°
62°
23
77°
62°
24
78°
64°
25
77°
65°
26
78°
64°
27
78°
67°
28
78°
62°
29
82°
64°
30
85°
63°
31
84°
66°
1
84°
63°
2
85°
65°
3
83°
65°
4
83°
64°
5
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Roslyn Heights
Roslyn Heights's August 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 62° and 70°. The average high for August is 81° with an average low of 65°. 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 Roslyn Heights. See also: September | October | November.
