World Resorts USA Key Largo Weather

Key Largo 14 Days Forecast

21.10
wed
Day
79°F
SW 13 mph
Precip.
4%
Night
79°F
SW 12 mph
Precip.
16%
22.10
thu
Day
77°F
S 7 mph
Precip.
5%
Night
75°F
SW 17 mph
Precip.
21%
23.10
fri
Day
77°F
SW 21 mph
Precip.
28%
Night
75°F
SW 23 mph
Precip.
74%
24.10
sat
Day
75°F
SW 14 mph
Precip.
81%
Night
75°F
SW 23 mph
Precip.
74%
25.10
sun
Day
77°F
SW 22 mph
Precip.
44%
Night
77°F
SW 14 mph
Precip.
53%
26.10
mon
Day
77°F
SW 21 mph
Precip.
43%
Night
77°F
W 17 mph
Precip.
60%
27.10
tue
Day
79°F
SW 15 mph
Precip.
22%
Night
77°F
W 13 mph
Precip.
54%
28.10
wed
Day
77°F
SW 11 mph
Precip.
30%
Night
77°F
SW 14 mph
Precip.
15%
29.10
thu
Day
77°F
S 12 mph
Precip.
8%
Night
77°F
SW 15 mph
Precip.
16%
30.10
fri
Day
77°F
SW 15 mph
Precip.
13%
Night
77°F
SW 17 mph
Precip.
17%
31.10
sat
Day
79°F
SW 16 mph
Precip.
23%
Night
79°F
W 16 mph
Precip.
27%
01.11
sun
Day
79°F
W 15 mph
Precip.
24%
Night
79°F
W 17 mph
Precip.
15%
02.11
mon
Day
79°F
W 17 mph
Precip.
22%
Night
79°F
W 21 mph
Precip.
59%
03.11
tue
Day
79°F
W 16 mph
Precip.
11%
Night
79°F
W 13 mph
Precip.
10%

Sea water temperature in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 84.9°F. The highest and lowest sea temperatures during the month were 86.4°F and 82.2°F.

Sea water temperature in November, °F

Show year:
2025
2024
2023

The average sea water temperature in November of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 81.7°F and 73.6°F.

Air temperature in Key Largo, °F

Precipitation total in Key Largo, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Key Largo

Sunniest months:
December 12 days
February 12 days
March 12 days
Warmest months:
August 85.8 °F
July 85.4 °F
September 84.4 °F
Warmest sea temp:
August 87.7 °F
July 87.3 °F
September 86.7 °F
Coldest months:
January 70.6 °F
February 72.7 °F
December 73.0 °F
Rainiest months:
September 4 days
June 3 days
July 3 days
Windiest months:
March 13.9 mph
November 13.9 mph
April 13.7 mph

Key Largo on a weather map

Key Largo
+79°F
SW 12 mph
Feels like: +81°F
Precip.: 16%
Places in USA:
Name
°F
+52°F
+52°F
+77°F
+75°F
+68°F
+81°F
+70°F
+55°F
+55°F
+72°F
+63°F
+68°F
+70°F
+75°F
+63°F
24 Hours Forecast
Key Largo
Local time: 22:43
October 22, thursday
0000
79°F
SW
12 mph
0300
77°F
S
11 mph
0600
75°F
S
14 mph
0900
73°F
S
16 mph
1200
77°F
S
7 mph
1500
77°F
W
6 mph
1800
77°F
SW
7 mph
2100
77°F
SW
16 mph
Units of measurement: °C / °F