S
M
T
W
T
F
S
27
77°
61°
28
81°
55°
29
86°
52°
30
93°
66°
1
91°
68°
2
75°
55°
3
73°
50°
4
84°
46°
5
77°
48°
6
81°
45°
7
90°
50°
8
86°
50°
9
90°
50°
10
82°
52°
11
90°
48°
12
93°
64°
13
95°
61°
14
77°
68°
15
82°
57°
16
57°
48°
17
61°
39°
18
68°
36°
19
73°
37°
20
75°
43°
21
75°
41°
22
77°
45°
23
78°
46°
24
78°
50°
25
78°
49°
26
76°
48°
27
68°
46°
28
65°
41°
29
62°
42°
30
64°
45°
31
60°
40°
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 60° to 78°, with overnight lows between 40° and 50°. The average high for October is 71° with an average low of 45°. 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.
