Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 73°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Wednesday
18th Mar
73

61

2

2
Thursday
19th Mar
75

68

7

6
Friday
20th Mar
75

66

8

8
Saturday
21st Mar
77

68

8

8
Sunday
22nd Mar
77

70

10

8

5-day weather forecast updated at 04:01 on Wednesday 18th March 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 18th March 2026

Expect mostly cloudy with light rain in Key Largo, Florida with a maximum temperature of 73°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 22 mph from the north.

73
°F maximum temperature
61
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
46
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
22
mph wind from N

Key Largo weather for Thursday 19th March 2026

Expect broken clouds in Key Largo, Florida with a maximum temperature of 75°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the north.

75
°F maximum temperature
68
°F minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
21
mph wind from N

Key Largo weather for Friday 20th March 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 75°F, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 19 mph from the north.

75
°F maximum temperature
66
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
85
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
mph wind from N

Key Largo weather for Saturday 21st March 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-east.

77
°F maximum temperature
68
°F minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
77
°F wind chill
14
mph wind from NE

Key Largo weather for Sunday 22nd March 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.