S
M
T
W
T
F
S
28
80°
66°
29
84°
66°
30
86°
72°
1
93°
76°
2
98°
75°
3
90°
70°
4
82°
68°
5
82°
69°
6
80°
68°
7
82°
66°
8
83°
66°
9
81°
67°
10
84°
70°
11
79°
70°
12
80°
69°
13
80°
70°
14
79°
70°
15
80°
69°
16
82°
71°
17
80°
71°
18
85°
72°
19
86°
71°
20
86°
72°
21
85°
71°
22
84°
71°
23
82°
72°
24
86°
71°
25
85°
70°
26
81°
68°
27
85°
71°
28
85°
72°
29
80°
71°
30
85°
68°
31
80°
65°
1
79°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Syosset
Syosset's July 2026 forecast shows daily high temperatures ranging from 79° to 98°, with overnight lows between 65° and 76°. The average high for July is 83° with an average low of 70°. 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 Syosset. See also: August | September | October.
