S
M
T
W
T
F
S
31
73°
49°
1
72°
51°
2
74°
53°
3
75°
54°
4
75°
51°
5
71°
46°
6
66°
46°
7
68°
47°
8
68°
55°
9
76°
53°
10
77°
56°
11
75°
53°
12
76°
54°
13
77°
56°
14
79°
51°
15
76°
55°
16
74°
51°
17
75°
52°
18
74°
50°
19
77°
50°
20
75°
51°
21
71°
49°
22
74°
55°
23
76°
56°
24
76°
50°
25
73°
51°
26
73°
50°
27
74°
51°
28
73°
51°
29
73°
52°
30
74°
57°
1
78°
56°
2
77°
57°
3
75°
53°
4
77°
52°
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 66° to 79°, with overnight lows between 46° and 57°. The average high for June is 74° with an average low of 52°. 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.
