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.

5-day weather forecast updated at 04:01 on Friday 17th October 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 Friday 17th October 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 21 mph from the north-east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 21 mph from the North-East21
    mph wind from NE

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Key Largo weather for Saturday 18th October 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a moderate breeze of 17 mph from the east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 2% chance of some rain2
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 17 mph from the East17
    mph wind from E

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Key Largo weather for Sunday 19th October 2025

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 16 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 39% chance of some rain39
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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Key Largo weather for Monday 20th October 2025

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 14 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 33% chance of some rain33
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 14 mph from the East14
    mph wind from E

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Key Largo weather for Tuesday 21st October 2025

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 15 mph from the north-east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 25% chance of some rain25
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 15 mph from the North-East15
    mph wind from NE

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  • FREE child places available for select holidays
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Metric (°C)  |  Imperial (°F)

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