S
M
T
W
T
F
S
28
84°
68°
29
83°
68°
30
84°
65°
1
82°
63°
2
78°
64°
3
78°
64°
4
82°
66°
5
84°
68°
6
81°
65°
7
80°
65°
8
81°
66°
9
82°
71°
10
81°
65°
11
86°
66°
12
80°
65°
13
81°
65°
14
81°
66°
15
82°
65°
16
81°
66°
17
81°
70°
18
85°
69°
19
85°
70°
20
84°
72°
21
85°
72°
22
87°
70°
23
84°
71°
24
86°
71°
25
83°
66°
26
81°
66°
27
82°
69°
28
85°
72°
29
86°
73°
30
87°
72°
31
88°
67°
1
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Valley Stream
Valley Stream's July 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 63° and 73°. The average high for July is 83° 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 July weather will actually feel in Valley Stream. See also: August | September | October.