S
M
T
W
T
F
S
27
64°
55°
28
77°
55°
29
82°
52°
30
75°
63°
1
72°
59°
2
68°
50°
3
72°
48°
4
75°
48°
5
73°
45°
6
79°
45°
7
82°
54°
8
81°
48°
9
84°
59°
10
84°
59°
11
84°
54°
12
88°
66°
13
84°
63°
14
68°
61°
15
68°
54°
16
54°
41°
17
57°
36°
18
66°
43°
19
70°
39°
20
72°
41°
21
73°
48°
22
75°
46°
23
75°
46°
24
77°
52°
25
79°
50°
26
78°
53°
27
72°
57°
28
76°
59°
29
79°
57°
30
78°
58°
31
75°
57°
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 72° to 79°, with overnight lows between 53° and 59°. The average high for October is 76° with an average low of 57°. 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.
