Measurements:
°C
°F
CURRENT WEATHER
07:17
Key West
78°F
W 22 mph
Feels like: 82°F
Precip: 0%
World Resorts USA Key West Weather

7 Day Weather Forecast

04.03
fri
DAY
80°F
W 22 mph
precip
0%
NIGHT
78°F
W 22 mph
precip
0%
04.04
sat
DAY
80°F
W 21 mph
precip
0%
NIGHT
78°F
W 22 mph
precip
0%
04.05
sun
DAY
78°F
W 16 mph
precip
0%
NIGHT
78°F
SW 12 mph
precip
0%
04.06
mon
DAY
78°F
SW 4 mph
precip
0%
NIGHT
78°F
W 11 mph
precip
0%
04.07
tue
DAY
78°F
NE 3 mph
precip
0%
NIGHT
74°F
NW 10 mph
precip
100%
04.08
wed
DAY
74°F
S 25 mph
precip
53%
NIGHT
72°F
SW 32 mph
precip
75%
04.09
thu
DAY
74°F
SW 25 mph
precip
77%
NIGHT
74°F
SW 25 mph
precip
80%

Key West Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Key West was 25.5°F. The maximum and minimum values were 24.2°F and 26.7°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