S
M
T
W
T
F
S
28
83°
63°
29
77°
54°
30
81°
54°
1
82°
54°
2
84°
55°
3
86°
58°
4
89°
56°
5
88°
64°
6
86°
62°
7
89°
61°
8
87°
62°
9
90°
55°
10
88°
56°
11
89°
58°
12
88°
59°
13
87°
60°
14
86°
60°
15
85°
55°
16
80°
55°
17
86°
59°
18
81°
57°
19
80°
54°
20
84°
58°
21
86°
59°
22
85°
58°
23
86°
60°
24
84°
60°
25
80°
59°
26
80°
55°
27
81°
56°
28
82°
55°
29
85°
57°
30
86°
58°
31
86°
59°
1
85°
58°
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 80° to 90°, with overnight lows between 54° and 64°. The average high for July is 85° with an average low of 58°. 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.
