S
M
T
W
T
F
S
31
58°
46°
1
51°
46°
2
51°
46°
3
59°
45°
4
61°
52°
5
61°
47°
6
64°
45°
7
57°
46°
8
68°
47°
9
68°
44°
10
61°
52°
11
58°
48°
12
63°
46°
13
71°
45°
14
74°
49°
15
75°
48°
16
65°
53°
17
62°
51°
18
63°
49°
19
69°
46°
20
55°
52°
21
54°
49°
22
62°
48°
23
71°
46°
24
75°
50°
25
77°
56°
26
75°
57°
27
65°
58°
28
71°
58°
29
76°
57°
30
70°
54°
1
N/A
2
70°
51°
3
66°
51°
4
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Cosmo
Cosmo's June 2026 forecast shows daily high temperatures ranging from 65° to 70°, with overnight lows between 49° and 51°. The average high for June is 67° with an average low of 50°. 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 Cosmo. See also: July | August | September.
