Measurements:
°C
°F
Key West
76°F
W 8 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Key West Weather

7 Day Weather Forecast

02.21
sat
DAY
78°F
NW 7 mph
precip
0%
NIGHT
74°F
NW 6 mph
precip
0%
02.22
sun
DAY
70°F
E 7 mph
precip
0%
NIGHT
66°F
S 29 mph
precip
0%
02.23
mon
DAY
62°F
S 24 mph
precip
0%
NIGHT
62°F
S 25 mph
precip
0%
02.24
tue
DAY
56°F
S 14 mph
precip
0%
NIGHT
62°F
SW 7 mph
precip
0%
02.25
wed
DAY
68°F
NW 14 mph
precip
0%
NIGHT
72°F
W 17 mph
precip
0%
02.26
thu
DAY
76°F
NW 12 mph
precip
0%
NIGHT
78°F
NW 15 mph
precip
100%
02.27
fri
DAY
78°F
NE 8 mph
precip
100%
NIGHT
74°F
S 12 mph
precip
0%

Key West Sea Water Temperature in February, °F

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Key West was 20.3°F. The maximum and minimum values were 17.9°F and 23.9°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 76.6 °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