Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 20°C. 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 16th January 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 Friday 16th January 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north.

  • 20°C maximum temperature20
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 31 kph from the North31
    kph wind from N

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Key Largo weather for Saturday 17th January 2026

Expect broken clouds in Key Largo, Florida with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the North-East16
    kph wind from NE

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Key Largo weather for Sunday 18th January 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 24°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 31% chance of some rain and a fresh breeze of 30 kph from the north.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 31% chance of some rain31
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 30 kph from the North30
    kph wind from N

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Key Largo weather for Monday 19th January 2026

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 31 kph from the north.

  • 20°C maximum temperature20
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Fresh breeze of 31 kph from the North31
    kph wind from N

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Key Largo weather for Tuesday 20th January 2026

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a fresh breeze of 33 kph from the north-east.

  • 22°C maximum temperature22
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 2% chance of some rain2
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Fresh breeze of 33 kph from the North-East33
    kph wind from NE

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  • Save 10% on 2026/2027 holidays in biggest ever TUI sale
  • Max discount £500. T&Cs apply. £500 min spend
  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
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Metric (°C / mm)  |  Imperial (°F / inches)

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