21.10
wed
wed
Day

79°F
SW 13 mph
Precip.
4%
4%
Night

79°F
SW 12 mph
Precip.
16%
16%
22.10
thu
thu
Day

77°F
S 7 mph
Precip.
5%
5%
Night

75°F
SW 17 mph
Precip.
21%
21%
23.10
fri
fri
Day

77°F
SW 21 mph
Precip.
28%
28%
Night

75°F
SW 23 mph
Precip.
74%
74%
24.10
sat
sat
Day

75°F
SW 14 mph
Precip.
81%
81%
Night

75°F
SW 23 mph
Precip.
74%
74%
25.10
sun
sun
Day

77°F
SW 22 mph
Precip.
44%
44%
Night

77°F
SW 14 mph
Precip.
53%
53%
26.10
mon
mon
Day

77°F
SW 21 mph
Precip.
43%
43%
Night

77°F
W 17 mph
Precip.
60%
60%
27.10
tue
tue
Day

79°F
SW 15 mph
Precip.
22%
22%
Night

77°F
W 13 mph
Precip.
54%
54%
28.10
wed
wed
Day

77°F
SW 11 mph
Precip.
30%
30%
Night

77°F
SW 14 mph
Precip.
15%
15%
29.10
thu
thu
Day

77°F
S 12 mph
Precip.
8%
8%
Night

77°F
SW 15 mph
Precip.
16%
16%
30.10
fri
fri
Day

77°F
SW 15 mph
Precip.
13%
13%
Night

77°F
SW 17 mph
Precip.
17%
17%
31.10
sat
sat
Day

79°F
SW 16 mph
Precip.
23%
23%
Night

79°F
W 16 mph
Precip.
27%
27%
01.11
sun
sun
Day

79°F
W 15 mph
Precip.
24%
24%
Night

79°F
W 17 mph
Precip.
15%
15%
02.11
mon
mon
Day

79°F
W 17 mph
Precip.
22%
22%
Night

79°F
W 21 mph
Precip.
59%
59%
03.11
tue
tue
Day

79°F
W 16 mph
Precip.
11%
11%
Night

79°F
W 13 mph
Precip.
10%
10%
sea water
temperature
temperature
| Key Largo |
monthly
weather
weather
| Key Largo |
current
weather
weather
| Key Largo |
7 days
forecast
forecast
| Key Largo |
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
Key Largo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 22:43
October 22, thursday
0000

79°F
SW
12 mph
12 mph
0300

77°F
S
11 mph
11 mph
0600

75°F
S
14 mph
14 mph
0900

73°F
S
16 mph
16 mph
1200

77°F
S
7 mph
7 mph
1500

77°F
W
6 mph
6 mph
1800

77°F
SW
7 mph
7 mph
2100

77°F
SW
16 mph
16 mph




























