S
M
T
W
T
F
S
27
69°
55°
28
67°
55°
29
73°
53°
30
72°
50°
1
66°
53°
2
71°
58°
3
72°
48°
4
73°
47°
5
63°
48°
6
64°
51°
7
63°
54°
8
63°
54°
9
64°
53°
10
64°
54°
11
70°
55°
12
68°
49°
13
68°
45°
14
61°
45°
15
59°
44°
16
58°
44°
17
58°
43°
18
59°
43°
19
60°
44°
20
62°
51°
21
63°
50°
22
64°
51°
23
65°
50°
24
67°
45°
25
66°
43°
26
59°
40°
27
57°
42°
28
56°
39°
29
55°
42°
30
Hist. Avg.
59°
42°
31
Hist. Avg.
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Fire Island
Fire Island's October 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 39° and 58°. The average high for October is 64° with an average low of 48°. 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 Fire Island. See also: November | December | January.
