S
M
T
W
T
F
S
28
93°
73°
29
93°
75°
30
94°
73°
1
94°
72°
2
93°
73°
3
92°
72°
4
91°
70°
5
85°
68°
6
85°
67°
7
87°
65°
8
86°
66°
9
81°
67°
10
90°
71°
11
89°
70°
12
88°
70°
13
88°
69°
14
87°
70°
15
89°
70°
16
90°
72°
17
91°
72°
18
91°
71°
19
90°
72°
20
90°
71°
21
91°
73°
22
91°
73°
23
90°
72°
24
88°
71°
25
87°
70°
26
90°
72°
27
92°
73°
28
92°
73°
29
91°
72°
30
91°
71°
31
85°
70°
1
89°
72°
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 81° to 94°, with overnight lows between 65° and 75°. The average high for July is 90° with an average low of 71°. 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.
