S
M
T
W
T
F
S
31
72°
64°
1
86°
64°
2
82°
61°
3
79°
57°
4
82°
52°
5
86°
57°
6
86°
63°
7
84°
64°
8
86°
70°
9
84°
72°
10
90°
72°
11
91°
72°
12
93°
73°
13
95°
72°
14
91°
72°
15
84°
70°
16
73°
68°
17
88°
70°
18
86°
72°
19
88°
72°
20
N/A
21
90°
71°
22
88°
72°
23
87°
68°
24
88°
69°
25
87°
67°
26
88°
68°
27
89°
68°
28
92°
69°
29
89°
68°
30
90°
69°
1
89°
67°
2
91°
68°
3
90°
67°
4
92°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Monticello
Monticello's June 2026 forecast shows daily high temperatures ranging from 87° to 92°, with overnight lows between 67° and 72°. The average high for June is 89° with an average low of 69°. 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.
