S
M
T
W
T
F
S
27
77°
47°
28
77°
44°
29
82°
45°
30
84°
65°
1
88°
64°
2
72°
45°
3
73°
42°
4
78°
45°
5
73°
44°
6
75°
41°
7
85°
54°
8
80°
47°
9
85°
48°
10
81°
47°
11
81°
49°
12
89°
63°
13
90°
66°
14
79°
64°
15
74°
56°
16
56°
45°
17
57°
37°
18
64°
32°
19
69°
35°
20
72°
37°
21
73°
39°
22
75°
43°
23
73°
43°
24
73°
42°
25
75°
47°
26
77°
48°
27
73°
51°
28
76°
52°
29
81°
51°
30
78°
53°
31
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sullivan
Sullivan's October 2026 forecast shows daily high temperatures ranging from 72° to 81°, with overnight lows between 47° and 57°. The average high for October is 76° 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 Sullivan. See also: November | December | January.
