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
88°
82°
10
87°
80°
11
88°
80°
12
87°
81°
13
88°
81°
14
89°
82°
15
88°
82°
16
88°
82°
17
89°
84°
18
89°
84°
19
89°
84°
20
90°
84°
21
90°
84°
22
90°
84°
23
90°
84°
24
90°
82°
25
90°
84°
26
91°
83°
27
91°
82°
28
90°
82°
29
90°
83°
30
90°
82°
1
90°
83°
2
91°
83°
3
90°
82°
4
89°
81°
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 89° to 91°, with overnight lows between 81° and 83°. The average high for June is 90° with an average low of 82°. 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.
