S
M
T
W
T
F
S
31
93°
73°
1
93°
76°
2
88°
71°
3
87°
67°
4
85°
67°
5
88°
72°
6
85°
74°
7
85°
75°
8
85°
75°
9
91°
73°
10
91°
73°
11
93°
72°
12
89°
73°
13
90°
72°
14
91°
70°
15
92°
72°
16
91°
73°
17
89°
71°
18
92°
74°
19
92°
76°
20
93°
73°
21
93°
74°
22
92°
74°
23
93°
75°
24
93°
75°
25
92°
74°
26
94°
75°
27
94°
75°
28
91°
74°
29
88°
75°
30
93°
75°
1
93°
74°
2
91°
75°
3
88°
74°
4
89°
71°
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 85° to 94°, with overnight lows between 67° and 76°. The average high for June is 91° with an average low of 73°. 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.
