Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 81°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Sunday
18th Oct
81

77

2

6
Monday
19th Oct
82

79

6

7
Tuesday
20th Oct
82

77

9

7
Wednesday
21st Oct
82

75

10

7
Thursday
22nd Oct
82

75

10

7

5-day weather forecast updated at 04:01 on Sunday 18th October 2026 GMT

More about Key Largo

Key Largo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Florida

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The 5-day weather forecast for Florida (Key Largo) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Key Largo weather forecast by day

Below are the detailed weather forecasts for Key Largo for the next 5 days.

Key Largo weather for Sunday 18th October 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 82% chance of some rain and a strong breeze of 25 mph from the north-east.

81
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
82
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
25
mph wind from NE

Key Largo weather for Monday 19th October 2026

Expect broken clouds in Key Largo, Florida with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 24 mph from the north-east.

82
°F maximum temperature
79
°F minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
24
mph wind from NE

Key Largo weather for Tuesday 20th October 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 23 mph from the north-east.

82
°F maximum temperature
77
°F minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
23
mph wind from NE

Key Largo weather for Wednesday 21st October 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the north-east.

82
°F maximum temperature
75
°F minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
19
mph wind from NE

Key Largo weather for Thursday 22nd October 2026

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 16 mph from the north-east.