S
M
T
W
T
F
S
31
72°
44°
1
68°
48°
2
74°
57°
3
78°
59°
4
84°
61°
5
89°
67°
6
86°
64°
7
75°
57°
8
71°
60°
9
73°
59°
10
72°
59°
11
75°
62°
12
81°
64°
13
78°
63°
14
77°
60°
15
75°
57°
16
72°
57°
17
72°
58°
18
74°
59°
19
75°
60°
20
76°
60°
21
75°
59°
22
74°
59°
23
74°
64°
24
75°
66°
25
76°
62°
26
75°
61°
27
76°
66°
28
82°
67°
29
78°
65°
30
77°
63°
1
76°
62°
2
76°
64°
3
78°
68°
4
81°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Syosset
Syosset's June 2026 forecast shows daily high temperatures ranging from 68° to 89°, with overnight lows between 48° and 69°. The average high for June is 76° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Syosset. See also: July | August | September.
