S
M
T
W
T
F
S
27
84°
50°
28
82°
50°
29
86°
54°
30
90°
61°
1
88°
68°
2
87°
70°
3
84°
69°
4
75°
65°
5
78°
63°
6
75°
54°
7
76°
49°
8
79°
51°
9
80°
52°
10
78°
56°
11
76°
60°
12
78°
53°
13
80°
50°
14
79°
51°
15
76°
49°
16
76°
50°
17
76°
52°
18
77°
49°
19
78°
49°
20
76°
42°
21
70°
41°
22
69°
41°
23
70°
42°
24
74°
41°
25
75°
48°
26
76°
46°
27
78°
45°
28
69°
43°
29
67°
44°
30
70°
41°
31
73°
42°
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 67° to 87°, with overnight lows between 41° and 70°. The average high for October is 76° 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.
