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
23rd Sep
84

77

4

7
Thursday
24th Sep
84

81

6

9
Friday
25th Sep
86

79

6

9
Saturday
26th Sep
86

79

9

9
Sunday
27th Sep
84

79

8

9

5-day weather forecast updated at 04:01 on Wednesday 23rd 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 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 4 hours of bright sunshine. There are 40-50 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 11 mph from the south.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
98
% chance of some rain
<50
mm of rainfall expected
M
moderate heat & humidity
11
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 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a light breeze of 6 mph from the west.

84
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
83
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from W

Key Largo weather for Friday 25th 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 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 11 mph from the north.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
72
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from N

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 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 13 mph from the north.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
47
% chance of some rain
<2
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 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-east.