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 04:01 on Saturday 14th 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 Saturday 14th March 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 9 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 50% chance of some rain50
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Key Largo weather for Sunday 15th March 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 14 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 78% chance of some rain78
    % 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 South-East14
    mph wind from SE

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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 9 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a moderate breeze of 16 mph from the south.

  • 81°F maximum temperature81
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 92% chance of some rain92
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 16 mph from the South16
    mph wind from S

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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 5-10 mm of rainfall expected with 56% chance of some rain and a fresh breeze of 19 mph from the north.

  • 75°F maximum temperature75
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 56% chance of some rain56
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Fresh breeze of 19 mph from the North19
    mph wind from N

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Key Largo weather for Wednesday 18th March 2026

Expect mostly cloudy with rain in Key Largo, Florida with a maximum temperature of 72°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 40-50 mm of rainfall expected with 78% chance of some rain and a fresh breeze of 21 mph from the north-east.

  • 72°F maximum temperature72
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 78% chance of some rain78
    % chance of some rain
  • 40-50 mm of rainfall expected<50
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 21 mph from the North-East21
    mph wind from NE

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Metric (°C)  |  Imperial (°F)

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