Measurements:
°C
°F
CURRENT WEATHER
16:34
Key West
82°F
W 14 mph
Feels like: 86°F
Precip: 0%
World Resorts USA Key West Weather

14 Day Weather Forecast

04.23
thu
DAY
80°F
W 18 mph
precip
0%
NIGHT
78°F
W 16 mph
precip
0%
04.24
fri
DAY
76°F
W 14 mph
precip
100%
NIGHT
78°F
W 14 mph
precip
62%
04.25
sat
DAY
80°F
NW 11 mph
precip
0%
NIGHT
78°F
W 9 mph
precip
0%
04.26
sun
DAY
80°F
NW 9 mph
precip
0%
NIGHT
80°F
W 11 mph
precip
0%
04.27
mon
DAY
82°F
NW 11 mph
precip
0%
NIGHT
80°F
NW 14 mph
precip
0%
04.28
tue
DAY
80°F
NW 11 mph
precip
0%
NIGHT
80°F
NW 14 mph
precip
0%
04.29
wed
DAY
80°F
NW 9 mph
precip
0%
NIGHT
80°F
NW 12 mph
precip
0%
04.30
thu
DAY
82°F
NW 11 mph
precip
0%
NIGHT
82°F
NW 14 mph
precip
0%
05.01
fri
DAY
82°F
NW 14 mph
precip
0%
NIGHT
82°F
NW 16 mph
precip
0%
05.02
sat
DAY
82°F
N 11 mph
precip
0%
NIGHT
82°F
W 5 mph
precip
0%
05.03
sun
DAY
84°F
NW 6 mph
precip
0%
NIGHT
82°F
SW 7 mph
precip
0%
05.04
mon
DAY
82°F
NW 10 mph
precip
0%
NIGHT
82°F
W 16 mph
precip
0%
05.05
tue
DAY
82°F
NW 16 mph
precip
0%
NIGHT
82°F
W 19 mph
precip
100%
05.06
wed
DAY
82°F
NW 13 mph
precip
0%
NIGHT
82°F
W 14 mph
precip
100%

Key West Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Key West was 81.0°F. The maximum and minimum values were 79.2°F and 82.8°F respectively.

Key West on the Weather Map

Best Time to Visit Key West
The most sunny months:
May 16 days
March 16 days
April 16 days
The most warm months:
August 91.6 °F
July 91.0 °F
September 89.7 °F
Warmest sea temperature:
August 91.3 °F
July 90.6 °F
September 90.1 °F
The most cold months:
January 74.4 °F
February 76.3 °F
December 78.2 °F
The most rainy months:
June 7 days
August 7 days
September 6 days
The most windy months:
November 14 mph
December 14 mph
January 14 mph
more details
USA Resorts:
NAME
F°
Chicago +76
Hawaii +80
Honolulu +80
Houston +84
Las Vegas +88
Los Angeles +80
Maui +76
Miami +78
Miami Beach +78
New York +80
San Diego +76
San Francisco +66
Sarasota +82
Tampa +86
Washington +88
all resorts
24 Hours Weather Forecast
Key West
Local time: 16:34
23 apr, thursday
1800 82°F
W
14 mph
2100 80°F
W
17 mph
24 apr, friday
0000 78°F
W
16 mph
0300 78°F
W
15 mph
0600 74°F
NW
18 mph
0900 76°F
NW
14 mph
1200 76°F
W
14 mph
1500 78°F
W
13 mph