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.

Wednesday
30th Sep
84

79

4

7
Thursday
1st Oct
84

82

4

5
Friday
2nd Oct
86

82

6

5
Saturday
3rd Oct
86

82

5

6
Sunday
4th Oct
86

82

6

10

5-day weather forecast updated at 04:01 on Wednesday 30th 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 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 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 16 mph from the east.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
78
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
16
mph wind from E

Key Largo weather for Thursday 1st October 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a fresh breeze of 19 mph from the east.

84
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
84
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
19
mph wind from E

Key Largo weather for Friday 2nd October 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 17 mph from the east.

86
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
69
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
17
mph wind from E

Key Largo weather for Saturday 3rd October 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 15 mph from the east.

86
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
53
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from E

Key Largo weather for Sunday 4th October 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 13 mph from the east.