S
M
T
W
T
F
S
27
89°
63°
28
89°
62°
29
94°
60°
30
95°
67°
1
93°
69°
2
83°
69°
3
76°
68°
4
81°
67°
5
87°
63°
6
88°
60°
7
91°
60°
8
92°
57°
9
92°
59°
10
82°
56°
11
92°
62°
12
95°
65°
13
91°
74°
14
95°
77°
15
94°
70°
16
74°
53°
17
68°
46°
18
72°
39°
19
76°
44°
20
78°
43°
21
83°
45°
22
82°
47°
23
84°
49°
24
85°
49°
25
79°
48°
26
78°
48°
27
81°
48°
28
83°
52°
29
85°
50°
30
76°
60°
31
71°
62°
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 71° to 76°, with overnight lows between 60° and 62°. The average high for October is 74° with an average low of 61°. 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.
