Duck Key weather live forecast

Today's maximum temperature in Duck Key is expected to be 29°C. Select a day from the live weather forecast for Duck Key, Florida, USA for more weather parameters.

Tuesday
5th May
29

25

10

11
Wednesday
6th May
30

25

10

11
Thursday
7th May
30

26

8

11
Friday
8th May
30

27

7

11
Saturday
9th May
30

27

10

11

5-day weather forecast updated at 04:02 on Tuesday 5th May 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

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 Tuesday 5th May 2026

Expect isolated thunderstorms in Duck Key, Florida with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 5-10 mm of rainfall expected with 6% chance of some rain and a light breeze of 8 kph from the north-west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
11
UV index (Extreme)
6
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from NW

Duck Key weather for Wednesday 6th May 2026

Expect scattered clouds in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

30
°C maximum temperature
25
°C minimum temperature
scattered clouds
10
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from SE

Duck Key weather for Thursday 7th May 2026

Expect scattered clouds in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

30
°C maximum temperature
26
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from SE

Duck Key weather for Friday 8th May 2026

Expect broken clouds in Duck Key, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.