S
M
T
W
T
F
S
27
69°
53°
28
N/A
29
65°
60°
30
71°
58°
1
66°
46°
2
63°
34°
3
65°
52°
4
68°
39°
5
68°
36°
6
82°
46°
7
74°
43°
8
66°
45°
9
74°
58°
10
81°
61°
11
74°
50°
12
55°
43°
13
58°
44°
14
57°
46°
15
59°
44°
16
55°
39°
17
55°
42°
18
60°
42°
19
55°
36°
20
58°
40°
21
60°
41°
22
60°
41°
23
59°
39°
24
47°
36°
25
46°
37°
26
49°
35°
27
56°
40°
28
55°
42°
29
57°
41°
30
55°
39°
31
54°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Monticello
Monticello's October 2026 forecast shows daily high temperatures ranging from 46° to 82°, with overnight lows between 32° and 61°. The average high for October is 60° with an average low of 42°. 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 Monticello. See also: November | December | January.
