S
M
T
W
T
F
S
31
90°
84°
1
88°
81°
2
91°
79°
3
87°
77°
4
87°
74°
5
84°
71°
6
85°
77°
7
87°
79°
8
87°
80°
9
90°
81°
10
88°
81°
11
89°
81°
12
87°
81°
13
88°
80°
14
89°
81°
15
90°
83°
16
89°
82°
17
88°
81°
18
90°
82°
19
91°
81°
20
89°
82°
21
90°
82°
22
91°
83°
23
87°
81°
24
87°
82°
25
88°
82°
26
87°
81°
27
87°
82°
28
88°
82°
29
87°
81°
30
87°
82°
1
86°
80°
2
87°
81°
3
87°
79°
4
88°
82°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Key West
Key West's June 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 79° and 83°. The average high for June is 88° with an average low of 81°. 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 Key West. See also: July | August | September.
