S
M
T
W
T
F
S
27
85°
57°
28
87°
59°
29
87°
59°
30
86°
58°
1
86°
57°
2
85°
58°
3
85°
58°
4
81°
57°
5
80°
57°
6
78°
51°
7
84°
47°
8
77°
49°
9
78°
51°
10
74°
50°
11
77°
53°
12
81°
50°
13
82°
47°
14
80°
49°
15
78°
52°
16
73°
54°
17
74°
53°
18
81°
44°
19
78°
43°
20
73°
43°
21
73°
44°
22
75°
49°
23
77°
50°
24
79°
50°
25
77°
44°
26
78°
47°
27
75°
46°
28
69°
39°
29
69°
37°
30
68°
37°
31
69°
39°
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 68° to 87°, with overnight lows between 37° and 59°. The average high for October is 78° 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.
