S
M
T
W
T
F
S
27
N/A
28
63°
57°
29
72°
55°
30
68°
52°
1
73°
54°
2
74°
66°
3
72°
48°
4
63°
55°
5
71°
48°
6
61°
44°
7
66°
58°
8
71°
53°
9
70°
54°
10
68°
52°
11
65°
57°
12
69°
57°
13
68°
56°
14
65°
54°
15
65°
54°
16
66°
53°
17
65°
53°
18
64°
48°
19
58°
46°
20
58°
44°
21
56°
46°
22
57°
52°
23
57°
51°
24
61°
51°
25
60°
48°
26
57°
49°
27
56°
46°
28
55°
44°
29
55°
48°
30
62°
50°
31
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Southold
Southold's October 2026 forecast shows daily high temperatures ranging from 55° to 71°, with overnight lows between 44° and 58°. The average high for October is 63° with an average low of 51°. 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 Southold. See also: November | December | January.
