S
M
T
W
T
F
S
31
N/A
1
92°
74°
2
91°
71°
3
89°
71°
4
86°
73°
5
85°
74°
6
90°
75°
7
91°
76°
8
93°
73°
9
91°
73°
10
91°
72°
11
92°
72°
12
93°
74°
13
94°
72°
14
93°
73°
15
94°
74°
16
94°
75°
17
92°
74°
18
87°
74°
19
88°
73°
20
90°
74°
21
90°
74°
22
91°
73°
23
91°
75°
24
92°
75°
25
91°
74°
26
90°
75°
27
90°
75°
28
92°
74°
29
92°
75°
30
93°
74°
1
94°
74°
2
95°
73°
3
95°
75°
4
96°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Colorado
Colorado's June 2026 forecast shows daily high temperatures ranging from 85° to 96°, with overnight lows between 71° and 76°. The average high for June is 91° with an average low of 74°. 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 Colorado. See also: July | August | September.