World Resorts USA Key West Weather

Key West 14 Days Forecast

13.01
tue
Day
73°F
SW 14 mph
Precip.
0%
Night
70°F
W 11 mph
Precip.
0%
14.01
wed
Day
70°F
NE 8 mph
Precip.
0%
Night
68°F
SE 12 mph
Precip.
0%
15.01
thu
Day
72°F
E 13 mph
Precip.
0%
Night
66°F
S 27 mph
Precip.
100%
16.01
fri
Day
55°F
S 19 mph
Precip.
0%
Night
66°F
SW 11 mph
Precip.
100%
17.01
sat
Day
66°F
S 15 mph
Precip.
100%
Night
68°F
S 19 mph
Precip.
0%
18.01
sun
Day
64°F
S 27 mph
Precip.
0%
Night
64°F
S 23 mph
Precip.
0%
19.01
mon
Day
64°F
SW 19 mph
Precip.
0%
Night
70°F
SW 21 mph
Precip.
0%
20.01
tue
Day
70°F
SW 22 mph
Precip.
0%
Night
72°F
SW 23 mph
Precip.
0%
21.01
wed
Day
72°F
W 22 mph
Precip.
0%
Night
73°F
W 22 mph
Precip.
20%
22.01
thu
Day
75°F
W 19 mph
Precip.
79%
Night
75°F
W 16 mph
Precip.
27%
23.01
fri
Day
77°F
W 17 mph
Precip.
100%
Night
77°F
W 17 mph
Precip.
57%
24.01
sat
Day
75°F
W 22 mph
Precip.
24%
Night
75°F
W 16 mph
Precip.
21%
25.01
sun
Day
77°F
NW 16 mph
Precip.
56%
Night
75°F
W 16 mph
Precip.
29%
26.01
mon
Day
75°F
W 9 mph
Precip.
50%
Night
73°F
SW 7 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 70.3°F. The highest and lowest sea temperatures during the month were 75.6°F and 66.0°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

Sunniest months:
May 16 days
March 16 days
April 16 days
Warmest months:
August 87.4 °F
July 86.9 °F
September 85.8 °F
Warmest sea temp:
August 87.2 °F
July 86.6 °F
September 86.1 °F
Coldest months:
January 72.1 °F
February 74.0 °F
December 75.4 °F
Rainiest months:
June 7 days
August 7 days
September 6 days
Windiest months:
November 14.7 mph
December 13.9 mph
January 13.8 mph

Key West on a weather map

Key West
+72°F
SW 12 mph
Feels like: +72°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+68°F
+68°F
+45°F
+55°F
+68°F
+73°F
+64°F
+30°F
+54°F
+46°F
+57°F
+54°F
+46°F
+34°F
24 Hours Forecast
Key West
Local time: 05:09
January 13, tuesday
0600
72°F
SW
12 mph
0900
72°F
SW
14 mph
1200
73°F
SW
14 mph
1500
73°F
W
11 mph
1800
72°F
W
10 mph
2100
70°F
W
11 mph
January 14, wednesday
0000
70°F
W
11 mph
0300
70°F
W
9 mph
Units of measurement: °C / °F