Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 84°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Sunday
20th Sep
84

81

4

7
Monday
21st Sep
84

81

6

7
Tuesday
22nd Sep
84

82

3

6
Wednesday
23rd Sep
84

82

2

7
Thursday
24th Sep
84

82

3

9

5-day weather forecast updated at 04:01 on Sunday 20th September 2026 GMT

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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 20th 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 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 5 mph from the south-west.

84
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
78
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
5
mph wind from SW

Key Largo weather for Monday 21st 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 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 10 mph from the south-west.

84
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
76
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from SW

Key Largo weather for Tuesday 22nd September 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 11 mph from the south.

84
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
81
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from S

Key Largo weather for Wednesday 23rd 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 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 10 mph from the south.

84
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
7
UV index (High)
87
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from S

Key Largo weather for Thursday 24th September 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a light breeze of 7 mph from the south.