S
M
T
W
T
F
S
31
65°
51°
1
67°
48°
2
66°
44°
3
66°
51°
4
70°
51°
5
67°
48°
6
70°
53°
7
73°
55°
8
72°
55°
9
75°
56°
10
75°
56°
11
76°
55°
12
72°
56°
13
77°
55°
14
69°
53°
15
78°
58°
16
79°
58°
17
78°
58°
18
80°
59°
19
80°
56°
20
79°
50°
21
77°
54°
22
76°
58°
23
72°
50°
24
73°
52°
25
76°
52°
26
73°
53°
27
75°
53°
28
75°
58°
29
77°
54°
30
74°
55°
1
81°
53°
2
80°
61°
3
80°
54°
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 65° to 81°, with overnight lows between 44° and 61°. The average high for June is 74° 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.
