Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 75°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Tuesday
17th Mar
75

64

1

3
Wednesday
18th Mar
73

64

2

3
Thursday
19th Mar
75

68

8

8
Friday
20th Mar
75

66

6

8
Saturday
21st Mar
75

68

9

8

5-day weather forecast updated at 04:01 on Tuesday 17th 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 Tuesday 17th March 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 75°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 20 mph from the north.

75
°F maximum temperature
64
°F minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
63
% chance of some rain
<30
mm of rainfall expected
75
°F wind chill
20
mph wind from N

Key Largo weather for Wednesday 18th March 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 73°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 21 mph from the north.

73
°F maximum temperature
64
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
60
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
mph wind from N

Key Largo weather for Thursday 19th 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 2-5 mm of rainfall expected with 32% chance of some rain and a fresh breeze of 21 mph from the north-east.

75
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
32
% chance of some rain
<5
mm of rainfall expected
75
°F wind chill
21
mph wind from NE

Key Largo weather for Friday 20th March 2026

Expect broken clouds in Key Largo, Florida with a maximum temperature of 75°F, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the north-east.

75
°F maximum temperature
66
°F minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
75
°F wind chill
18
mph wind from NE

Key Largo weather for Saturday 21st March 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 75°F, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the north-east.