Key West weather live forecast

Today's maximum temperature in Key West is expected to be 26°C. Select a day from the live weather forecast for Key West, Florida, USA for more weather parameters.

Friday
19th Dec
26

22

5

5
Saturday
20th Dec
25

21

4

5
Sunday
21st Dec
25

22

7

5
Monday
22nd Dec
25

22

6

5
Tuesday
23rd Dec
25

22

4

5

5-day weather forecast updated at 04:01 on Friday 19th December 2025 GMT

More about Key West

Key West by month

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

Recommended for Florida

TUI sale: 10% off 2026/2027 holidays

Discount Code

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 code

******ALE

Redeem TUI discount code >>

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

TUI deal finder

Destination

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

Key West weather forecast by day

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

Key West weather for Friday 19th December 2025

Expect broken clouds in Key West, Florida with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

26
°C maximum temperature
22
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from N

Key West weather for Saturday 20th December 2025

Expect broken clouds in Key West, Florida with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

25
°C maximum temperature
21
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
15
kph wind from NE

Key West weather for Sunday 21st December 2025

Expect scattered clouds in Key West, Florida with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

25
°C maximum temperature
22
°C minimum temperature
scattered clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from NE

Key West weather for Monday 22nd December 2025

Expect scattered clouds in Key West, Florida with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-east.

25
°C maximum temperature
22
°C minimum temperature
scattered clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from NE

Key West weather for Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Key West, Florida with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 22 kph from the north-east.