S
M
T
W
T
F
S
27
68°
59°
28
62°
58°
29
71°
58°
30
72°
61°
1
75°
61°
2
81°
64°
3
72°
57°
4
64°
55°
5
71°
54°
6
62°
45°
7
64°
43°
8
76°
54°
9
73°
48°
10
70°
50°
11
61°
54°
12
71°
55°
13
68°
54°
14
81°
63°
15
65°
54°
16
68°
58°
17
64°
43°
18
58°
40°
19
62°
40°
20
68°
47°
21
62°
50°
22
66°
50°
23
60°
43°
24
61°
42°
25
65°
45°
26
68°
49°
27
58°
41°
28
57°
48°
29
63°
51°
30
70°
49°
31
54°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Syosset
Syosset's October 2026 forecast shows daily high temperatures ranging from 54° to 70°, with overnight lows between 41° and 51°. The average high for October is 62° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Syosset. See also: November | December | January.
