S
M
T
W
T
F
S
31
68°
47°
1
67°
47°
2
68°
52°
3
70°
58°
4
74°
59°
5
79°
60°
6
79°
59°
7
77°
59°
8
76°
56°
9
70°
50°
10
69°
50°
11
70°
58°
12
73°
56°
13
71°
52°
14
70°
51°
15
71°
52°
16
72°
61°
17
78°
61°
18
79°
60°
19
81°
64°
20
83°
64°
21
83°
63°
22
79°
64°
23
81°
64°
24
81°
63°
25
82°
63°
26
79°
63°
27
78°
59°
28
79°
54°
29
77°
59°
30
80°
63°
1
81°
65°
2
82°
64°
3
85°
63°
4
86°
57°
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 67° to 86°, with overnight lows between 47° and 65°. The average high for June is 77° with an average low of 58°. 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.
