Duck Key weather live forecast

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

5-day weather forecast updated at 04:02 on Friday 15th August 2025 GMT

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The 5-day weather forecast for Florida (Duck Key) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Duck Key weather forecast by day

Below are the detailed weather forecasts for Duck Key for the next 5 days.

Duck Key weather for Friday 15th August 2025

Expect scattered clouds in Duck Key, 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 11 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 84°F minimum temperature84
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

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Duck Key weather for Saturday 16th August 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 88°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 11 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 84°F minimum temperature84
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 60% chance of some rain60
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

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Duck Key weather for Sunday 17th August 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 9 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 61% chance of some rain61
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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Duck Key weather for Monday 18th August 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a light breeze of 7 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 42% chance of some rain42
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 mph from the East7
    mph wind from E

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Duck Key weather for Tuesday 19th August 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 9 mph from the north-west.

  • 90°F maximum temperature90
    °F maximum temperature
  • 84°F minimum temperature84
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the North-West9
    mph wind from NW

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  • FREE child places available for select holidays
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