S
M
T
W
T
F
S
27
67°
59°
28
62°
57°
29
72°
56°
30
70°
60°
1
74°
60°
2
79°
65°
3
72°
56°
4
63°
55°
5
71°
54°
6
61°
44°
7
65°
39°
8
76°
53°
9
72°
46°
10
68°
48°
11
62°
51°
12
72°
54°
13
68°
53°
14
82°
62°
15
65°
52°
16
67°
59°
17
62°
44°
18
57°
40°
19
62°
38°
20
68°
46°
21
61°
50°
22
66°
49°
23
59°
40°
24
62°
36°
25
65°
42°
26
68°
50°
27
58°
40°
28
58°
46°
29
64°
52°
30
69°
51°
31
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Ronkonkoma
Ronkonkoma's October 2026 forecast shows daily high temperatures ranging from 58° to 69°, with overnight lows between 36° and 52°. The average high for October is 63° with an average low of 46°. 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 Ronkonkoma. See also: November | December | January.
