Key West weather live forecast

Today's maximum temperature in Key West is expected to be 32°C. Select a day from the live weather forecast for Key West, Florida, USA for more weather parameters.

Friday
7th Aug
32

27

7

10
Saturday
8th Aug
32

29

7

10
Sunday
9th Aug
32

28

6

10
Monday
10th Aug
33

28

7

10
Tuesday
11th Aug
32

29

7

11

5-day weather forecast updated at 04:00 on Friday 7th August 2026 GMT

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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 7th August 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 32°C, 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 68% chance of some rain and a moderate breeze of 21 kph from the east.

32
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
68
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
21
kph wind from E

Key West weather for Saturday 8th August 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 19 kph from the south-east.

32
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
40
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
19
kph wind from SE

Key West weather for Sunday 9th August 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 24 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
61
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
24
kph wind from E

Key West weather for Monday 10th August 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 24 kph from the east.

33
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
45
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
24
kph wind from E

Key West weather for Tuesday 11th August 2026

Expect broken clouds in Key West, Florida with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.