08.04
wed
wed
Day
77°F
SE 7 mph
Precip.
0%
0%
Night
75°F
E 7 mph
Precip.
0%
0%
09.04
thu
thu
Day
72°F
SW 6 mph
Precip.
0%
0%
Night
73°F
SW 25 mph
Precip.
0%
0%
10.04
fri
fri
Day
75°F
SW 24 mph
Precip.
0%
0%
Night
73°F
W 23 mph
Precip.
0%
0%
11.04
sat
sat
Day
75°F
W 19 mph
Precip.
0%
0%
Night
75°F
W 22 mph
Precip.
82%
82%
12.04
sun
sun
Day
77°F
W 23 mph
Precip.
81%
81%
Night
75°F
W 27 mph
Precip.
0%
0%
13.04
mon
mon
Day
75°F
W 22 mph
Precip.
22%
22%
Night
77°F
W 24 mph
Precip.
100%
100%
14.04
tue
tue
Day
75°F
W 20 mph
Precip.
0%
0%
Night
75°F
W 21 mph
Precip.
22%
22%
15.04
wed
wed
Day
75°F
W 17 mph
Precip.
22%
22%
Night
75°F
W 20 mph
Precip.
100%
100%
16.04
thu
thu
Day
75°F
W 9 mph
Precip.
0%
0%
Night
77°F
W 17 mph
Precip.
68%
68%
17.04
fri
fri
Day
77°F
W 12 mph
Precip.
0%
0%
Night
77°F
W 14 mph
Precip.
100%
100%
18.04
sat
sat
Day
77°F
W 10 mph
Precip.
0%
0%
Night
77°F
W 10 mph
Precip.
0%
0%
19.04
sun
sun
Day
77°F
NW 6 mph
Precip.
0%
0%
Night
77°F
SW 5 mph
Precip.
0%
0%
20.04
mon
mon
Day
77°F
N 2 mph
Precip.
0%
0%
Night
77°F
SE 8 mph
Precip.
0%
0%
21.04
tue
tue
Day
77°F
E 4 mph
Precip.
0%
0%
Night
77°F
SE 9 mph
Precip.
0%
0%
sea water
temperature
temperature
| Key West |
monthly
weather
weather
| Key West |
current
weather
weather
| Key West |
7 days
forecast
forecast
| Key West |
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 78.0°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.6°F.
Air temperature in Key West, °F
Precipitation total in Key West, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Key West
Key West on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key West
Local time: 11:05
April 08, wednesday
1200
77°F
SE
7 mph
7 mph
1500
79°F
E
8 mph
8 mph
1800
77°F
SE
11 mph
11 mph
2100
75°F
SE
11 mph
11 mph
April 09, thursday
0000
75°F
E
7 mph
7 mph
0300
73°F
E
3 mph
3 mph
0600
72°F
N
1 mph
1 mph
0900
72°F
SW
4 mph
4 mph
