Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 81°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Sunday
15th Mar
81

77

3

4
Monday
16th Mar
81

75

7

8
Tuesday
17th Mar
75

68

3

5
Wednesday
18th Mar
73

66

0

7
Thursday
19th Mar
73

66

6

5

5-day weather forecast updated at 04:01 on Sunday 15th 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 Sunday 15th March 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 15 mph from the south-east.

81
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
69
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
15
mph wind from SE

Key Largo weather for Monday 16th March 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 16 mph from the south.

81
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
66
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
16
mph wind from S

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 5 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 45% chance of some rain and a fresh breeze of 19 mph from the north.

75
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
5
UV index (Moderate)
45
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
19
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 7 (High) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a fresh breeze of 19 mph from the north-east.

73
°F maximum temperature
66
°F minimum temperature
isolated thunderstorms
0
hours of sunshine
7
UV index (High)
69
% chance of some rain
<20
mm of rainfall expected
73
°F wind chill
19
mph wind from NE

Key Largo weather for Thursday 19th March 2026

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 17 mph from the north.