Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 86°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Saturday
26th Sep
86

77

10

9
Sunday
27th Sep
82

79

10

9
Monday
28th Sep
84

79

9

9
Tuesday
29th Sep
82

81

0

6
Wednesday
30th Sep
84

81

3

7

5-day weather forecast updated at 04:01 on Sunday 27th September 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 Saturday 26th September 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 5-10 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 13 mph from the north.

86
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
10
hours of sunshine
9
UV index (Very High)
33
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from N

Key Largo weather for Sunday 27th September 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north.

82
°F maximum temperature
79
°F minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
7
mph wind from N

Key Largo weather for Monday 28th September 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.

84
°F maximum temperature
79
°F minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from S

Key Largo weather for Tuesday 29th September 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a light breeze of 6 mph from the east.

82
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
0
hours of sunshine
6
UV index (High)
76
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
6
mph wind from E

Key Largo weather for Wednesday 30th September 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 15 mph from the east.