S
M
T
W
T
F
S
28
79°
54°
29
77°
59°
30
80°
63°
1
81°
65°
2
82°
64°
3
85°
63°
4
86°
57°
5
78°
54°
6
77°
60°
7
79°
66°
8
84°
64°
9
85°
67°
10
86°
67°
11
87°
66°
12
86°
60°
13
82°
63°
14
81°
65°
15
86°
65°
16
85°
66°
17
84°
66°
18
87°
67°
19
86°
66°
20
87°
67°
21
86°
66°
22
87°
65°
23
88°
63°
24
80°
57°
25
85°
59°
26
85°
65°
27
84°
65°
28
85°
66°
29
85°
65°
30
86°
61°
31
85°
58°
1
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Monticello
Monticello's July 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 54° and 67°. The average high for July is 84° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Monticello. See also: August | September | October.
