S
M
T
W
T
F
S
31
68°
50°
1
70°
47°
2
74°
49°
3
79°
50°
4
77°
51°
5
74°
50°
6
75°
52°
7
81°
53°
8
82°
55°
9
83°
52°
10
84°
57°
11
84°
54°
12
83°
56°
13
80°
56°
14
77°
52°
15
86°
56°
16
87°
58°
17
87°
52°
18
86°
55°
19
78°
56°
20
81°
54°
21
78°
55°
22
83°
57°
23
82°
58°
24
85°
56°
25
79°
50°
26
79°
51°
27
80°
51°
28
81°
54°
29
85°
58°
30
88°
55°
1
89°
58°
2
90°
62°
3
91°
62°
4
92°
61°
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 68° to 92°, with overnight lows between 47° and 62°. The average high for June is 82° 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 Fort Collins. See also: July | August | September.
