S
M
T
W
T
F
S
27
74°
50°
28
78°
59°
29
79°
54°
30
66°
61°
1
67°
55°
2
66°
49°
3
72°
46°
4
71°
53°
5
72°
48°
6
76°
49°
7
77°
57°
8
72°
55°
9
65°
53°
10
85°
56°
11
82°
54°
12
87°
64°
13
77°
61°
14
68°
56°
15
60°
52°
16
56°
40°
17
58°
34°
18
66°
39°
19
69°
41°
20
70°
48°
21
73°
47°
22
74°
54°
23
73°
52°
24
74°
53°
25
77°
54°
26
65°
48°
27
66°
46°
28
76°
49°
29
67°
52°
30
56°
50°
31
61°
50°
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 56° to 61°, with overnight lows between 50° and 50°. The average high for October is 59° with an average low of 50°. 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.
