Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 90°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Saturday
15th Aug
90

86

10

10
Sunday
16th Aug
88

84

9

10
Monday
17th Aug
88

84

9

10
Tuesday
18th Aug
90

84

9

10
Wednesday
19th Aug
90

84

9

10

5-day weather forecast updated at 04:01 on Saturday 15th August 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 Saturday 15th August 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a moderate breeze of 14 mph from the south-east.

90
°F maximum temperature
86
°F minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
15
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
14
mph wind from SE

Key Largo weather for Sunday 16th August 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

88
°F maximum temperature
84
°F minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from E

Key Largo weather for Monday 17th August 2026

88
°F maximum temperature
84
°F minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from E

Key Largo weather for Tuesday 18th August 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.