Duck Key weather live forecast

Today's maximum temperature in Duck Key is expected to be 20°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 16th January 2026 GMT

More about Duck Key

Duck Key by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Florida

  • 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)
Show discount codeShow discount code ******ALE

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUITUI deal finder

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 16th January 2026

Expect scattered clouds in Duck Key, Florida with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the north.

  • 20°C maximum temperature20
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    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 34 kph from the North34
    kph wind from N

Back to top

Duck Key weather for Saturday 17th January 2026

Expect broken clouds in Duck Key, Florida with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Gentle breeze of 17 kph from the North-East17
    kph wind from NE

Back to top

Duck Key weather for Sunday 18th January 2026

Expect sunshine and showers in Duck Key, Florida with a maximum temperature of 24°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a fresh breeze of 33 kph from the north-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 61% chance of some rain61
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Fresh breeze of 33 kph from the North-West33
    kph wind from NW

Back to top

Duck Key weather for Monday 19th January 2026

Expect sunshine and showers in Duck Key, Florida with a maximum temperature of 18°C, maximum UV of 6 (High) and 9 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.

  • 18°C maximum temperature18
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    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
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 33 kph from the North33
    kph wind from N

Back to top

Duck Key weather for Tuesday 20th January 2026

Expect scattered clouds in Duck Key, Florida with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the north-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Fresh breeze of 35 kph from the North-East35
    kph wind from NE

Back to top

  • 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)
Show discount codeShow discount code ******ALE

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUITUI deal finder

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

Back to top

More about Florida

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^