S
M
T
W
T
F
S
27
77°
50°
28
76°
45°
29
84°
48°
30
81°
64°
1
90°
63°
2
71°
50°
3
73°
47°
4
79°
45°
5
73°
46°
6
76°
44°
7
85°
49°
8
80°
48°
9
86°
48°
10
80°
50°
11
81°
55°
12
90°
56°
13
91°
67°
14
78°
63°
15
72°
58°
16
58°
44°
17
56°
36°
18
65°
35°
19
70°
37°
20
71°
42°
21
73°
42°
22
74°
46°
23
73°
45°
24
73°
44°
25
76°
47°
26
76°
48°
27
73°
50°
28
76°
52°
29
80°
51°
30
74°
54°
31
70°
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 70° to 80°, with overnight lows between 47° and 56°. The average high for October is 75° with an average low of 51°. 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.
