Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 77°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Sunday
14th Dec
77

72

5

4
Monday
15th Dec
73

68

4

4
Tuesday
16th Dec
73

70

8

4
Wednesday
17th Dec
77

72

5

5
Thursday
18th Dec
79

73

7

4

5-day weather forecast updated at 04:02 on Sunday 14th December 2025 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 14th December 2025

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 30-40 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 15 mph from the north.

77
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
55
% chance of some rain
<40
mm of rainfall expected
77
°F wind chill
15
mph wind from N

Key Largo weather for Monday 15th December 2025

Expect mostly cloudy with light rain in Key Largo, Florida with a maximum temperature of 73°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 24 mph from the north-east.

73
°F maximum temperature
68
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
63
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
24
mph wind from NE

Key Largo weather for Tuesday 16th December 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 73°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a fresh breeze of 19 mph from the north-east.

73
°F maximum temperature
70
°F minimum temperature
sunshine and showers
8
hours of sunshine
4
UV index (Moderate)
16
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
mph wind from NE

Key Largo weather for Wednesday 17th December 2025

Expect broken clouds in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the east.

77
°F maximum temperature
72
°F minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
mph wind from E

Key Largo weather for Thursday 18th December 2025

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 13 mph from the east.