Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 79°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

5-day weather forecast updated at 04:02 on Friday 12th 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 Saturday 13th December 2025

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 14 mph from the east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 77% chance of some rain77
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 14 mph from the East14
    mph wind from E

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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 3 (Moderate) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 15 mph from the north.

  • 77°F maximum temperature77
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 53% chance of some rain53
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 15 mph from the North15
    mph wind from N

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Key Largo weather for Monday 15th December 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 75°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a fresh breeze of 22 mph from the north-east.

  • 75°F maximum temperature75
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 45% chance of some rain45
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Fresh breeze of 22 mph from the North-East22
    mph wind from NE

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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 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a fresh breeze of 18 mph from the north-east.

  • 73°F maximum temperature73
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 18 mph from the North-East18
    mph wind from NE

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Key Largo weather for Wednesday 17th December 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 15 mph from the east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Moderate breeze of 15 mph from the East15
    mph wind from E

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Metric (°C)  |  Imperial (°F)

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