S
M
T
W
T
F
S
27
86°
41°
28
78°
43°
29
83°
44°
30
87°
50°
1
89°
60°
2
86°
66°
3
86°
62°
4
78°
53°
5
78°
46°
6
78°
40°
7
82°
46°
8
83°
47°
9
82°
42°
10
79°
58°
11
84°
57°
12
85°
53°
13
89°
55°
14
90°
58°
15
89°
66°
16
76°
50°
17
57°
36°
18
68°
32°
19
70°
31°
20
71°
34°
21
74°
31°
22
73°
34°
23
72°
30°
24
74°
32°
25
73°
34°
26
73°
36°
27
76°
33°
28
77°
42°
29
76°
36°
30
78°
50°
31
75°
56°
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 75° to 78°, with overnight lows between 50° and 56°. The average high for October is 77° with an average low of 53°. 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.
