Duck Key weather live forecast

Today's maximum temperature in Duck Key is expected to be 30°C. Select a day from the live weather forecast for Duck Key, Florida, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 5th September 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 5th September 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 100% chance of some rain100
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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Duck Key weather for Saturday 6th September 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 19 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 87% chance of some rain87
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 19 kph from the South19
    kph wind from S

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Duck Key weather for Sunday 7th September 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 13 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (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 13 kph from the South13
    kph wind from S

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Duck Key weather for Monday 8th September 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a light breeze of 11 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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Duck Key weather for Tuesday 9th September 2025

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a light breeze of 12 kph from the south-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

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Metric (°C / mm)  |  Imperial (°F / inches)

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