S
M
T
W
T
F
S
31
82°
49°
1
82°
54°
2
79°
53°
3
86°
50°
4
93°
48°
5
88°
53°
6
97°
56°
7
96°
54°
8
78°
60°
9
91°
55°
10
90°
57°
11
83°
52°
12
93°
44°
13
81°
57°
14
70°
49°
15
87°
46°
16
94°
47°
17
90°
53°
18
89°
57°
19
88°
56°
20
95°
57°
21
87°
56°
22
80°
53°
23
84°
56°
24
89°
60°
25
91°
61°
26
90°
61°
27
91°
60°
28
88°
57°
29
85°
58°
30
93°
63°
1
89°
61°
2
87°
59°
3
88°
59°
4
89°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Collins
Fort Collins's June 2026 forecast shows daily high temperatures ranging from 80° to 95°, with overnight lows between 53° and 63°. The average high for June is 89° with an average low of 58°. 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 Fort Collins. See also: July | August | September.
