S
M
T
W
T
F
S
27
71°
53°
28
72°
53°
29
69°
50°
30
65°
51°
1
68°
53°
2
70°
51°
3
65°
50°
4
68°
51°
5
66°
51°
6
63°
50°
7
67°
53°
8
69°
49°
9
57°
48°
10
58°
45°
11
55°
44°
12
60°
49°
13
65°
48°
14
65°
48°
15
64°
47°
16
65°
47°
17
63°
44°
18
52°
41°
19
53°
44°
20
59°
48°
21
61°
42°
22
55°
36°
23
48°
37°
24
49°
41°
25
52°
45°
26
60°
37°
27
51°
32°
28
51°
35°
29
56°
41°
30
59°
43°
31
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Williamson
Williamson's October 2026 forecast shows daily high temperatures ranging from 48° to 72°, with overnight lows between 32° and 53°. The average high for October is 61° 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 Williamson. See also: November | December | January.