S
M
T
W
T
F
S
26
87°
73°
27
87°
73°
28
86°
72°
29
86°
72°
30
85°
68°
31
79°
66°
1
79°
66°
2
80°
67°
3
82°
68°
4
82°
66°
5
81°
66°
6
83°
69°
7
84°
72°
8
82°
72°
9
81°
70°
10
83°
65°
11
82°
65°
12
83°
66°
13
82°
70°
14
83°
71°
15
85°
70°
16
85°
72°
17
86°
71°
18
86°
70°
19
84°
64°
20
80°
64°
21
79°
65°
22
79°
64°
23
80°
63°
24
79°
64°
25
81°
64°
26
84°
63°
27
82°
64°
28
79°
67°
29
79°
65°
30
77°
66°
31
82°
68°
1
83°
62°
2
81°
61°
3
76°
60°
4
77°
62°
5
77°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Valley Stream
Valley Stream's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 60° and 73°. The average high for August is 82° with an average low of 67°. 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 Valley Stream. See also: September | October | November.
