S
M
T
W
T
F
S
31
65°
51°
1
73°
52°
2
72°
51°
3
71°
53°
4
74°
52°
5
75°
50°
6
74°
46°
7
71°
47°
8
69°
47°
9
69°
49°
10
71°
52°
11
69°
47°
12
70°
55°
13
77°
56°
14
78°
57°
15
79°
57°
16
78°
56°
17
78°
57°
18
77°
50°
19
77°
57°
20
76°
58°
21
76°
59°
22
79°
58°
23
80°
58°
24
81°
59°
25
80°
57°
26
79°
52°
27
75°
51°
28
72°
52°
29
73°
55°
30
74°
59°
1
74°
60°
2
79°
60°
3
75°
56°
4
78°
54°
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 65° to 81°, with overnight lows between 46° and 60°. The average high for June is 75° with an average low of 54°. 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.
