S
M
T
W
T
F
S
31
85°
70°
1
86°
72°
2
88°
72°
3
88°
71°
4
86°
72°
5
87°
72°
6
86°
71°
7
87°
72°
8
89°
72°
9
90°
73°
10
87°
73°
11
86°
72°
12
87°
73°
13
87°
73°
14
88°
74°
15
88°
74°
16
87°
73°
17
88°
74°
18
90°
74°
19
89°
74°
20
87°
74°
21
89°
74°
22
89°
72°
23
88°
70°
24
89°
71°
25
90°
72°
26
89°
73°
27
90°
72°
28
89°
73°
29
90°
74°
30
93°
74°
1
93°
73°
2
90°
71°
3
93°
71°
4
93°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Monticello
Monticello's June 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 70° and 74°. The average high for June is 89° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Monticello. See also: July | August | September.
