S
M
T
W
T
F
S
27
60°
46°
28
61°
48°
29
61°
51°
30
60°
50°
1
61°
51°
2
61°
51°
3
62°
50°
4
61°
46°
5
58°
49°
6
56°
48°
7
59°
49°
8
58°
49°
9
58°
48°
10
57°
49°
11
59°
49°
12
58°
48°
13
58°
48°
14
57°
49°
15
58°
48°
16
57°
48°
17
56°
47°
18
55°
47°
19
56°
46°
20
56°
45°
21
55°
43°
22
54°
42°
23
52°
44°
24
52°
44°
25
51°
45°
26
51°
44°
27
52°
42°
28
51°
43°
29
50°
43°
30
50°
44°
31
52°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Castleton
Castleton's October 2026 forecast shows daily high temperatures ranging from 50° to 62°, with overnight lows between 42° and 51°. The average high for October is 56° with an average low of 47°. 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 Castleton. See also: November | December | January.
