S
M
T
W
T
F
S
27
71°
52°
28
72°
54°
29
74°
44°
30
71°
38°
1
67°
41°
2
66°
46°
3
65°
46°
4
68°
45°
5
68°
43°
6
67°
41°
7
61°
44°
8
67°
35°
9
57°
34°
10
57°
36°
11
56°
42°
12
59°
35°
13
55°
43°
14
63°
47°
15
64°
45°
16
63°
36°
17
62°
33°
18
50°
37°
19
47°
38°
20
56°
42°
21
60°
43°
22
59°
39°
23
59°
34°
24
58°
35°
25
45°
37°
26
47°
30°
27
45°
28°
28
42°
25°
29
42°
26°
30
46°
34°
31
50°
26°
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 42° to 74°, with overnight lows between 25° and 54°. The average high for October is 59° with an average low of 39°. 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.
