S
M
T
W
T
F
S
28
84°
62°
29
78°
58°
30
78°
60°
1
79°
59°
2
80°
66°
3
81°
64°
4
80°
66°
5
81°
66°
6
84°
67°
7
87°
68°
8
87°
67°
9
86°
67°
10
87°
66°
11
85°
66°
12
86°
67°
13
82°
66°
14
81°
65°
15
81°
66°
16
83°
63°
17
80°
60°
18
80°
61°
19
78°
60°
20
80°
59°
21
79°
59°
22
79°
60°
23
80°
60°
24
81°
62°
25
82°
64°
26
83°
65°
27
81°
60°
28
81°
60°
29
82°
66°
30
83°
60°
31
83°
59°
1
82°
60°
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 78° to 87°, with overnight lows between 58° and 68°. The average high for July is 82° 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.
