S
M
T
W
T
F
S
31
84°
57°
1
86°
61°
2
82°
57°
3
85°
54°
4
86°
56°
5
82°
68°
6
86°
68°
7
83°
71°
8
79°
70°
9
87°
70°
10
92°
70°
11
90°
68°
12
89°
65°
13
83°
62°
14
82°
61°
15
80°
56°
16
76°
57°
17
76°
58°
18
84°
61°
19
80°
64°
20
85°
64°
21
84°
60°
22
78°
58°
23
81°
65°
24
87°
67°
25
87°
66°
26
86°
65°
27
82°
64°
28
81°
65°
29
83°
66°
30
83°
65°
1
84°
65°
2
83°
66°
3
83°
66°
4
85°
65°
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 76° to 92°, with overnight lows between 56° and 71°. The average high for June is 83° with an average low of 65°. 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.
