Key West weather live forecast

Today's maximum temperature in Key West is expected to be 28°C. Select a day from the live weather forecast for Key West, Florida, USA for more weather parameters.

Saturday
14th Mar
28

25

7

8
Sunday
15th Mar
28

25

3

8
Monday
16th Mar
29

25

7

9
Tuesday
17th Mar
25

21

2

5
Wednesday
18th Mar
25

20

1

5

5-day weather forecast updated at 04:00 on Saturday 14th March 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 Saturday 14th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 15 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
47
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
15
kph wind from E

Key West weather for Sunday 15th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 19 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
78
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
19
kph wind from SE

Key West weather for Monday 16th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 20 kph from the south.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
73
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from S

Key West weather for Tuesday 17th March 2026

Expect mostly cloudy with rain in Key West, Florida with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 28 kph from the north.

25
°C maximum temperature
21
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
5
UV index (Moderate)
59
% chance of some rain
<10
mm of rainfall expected
25
°C wind chill
28
kph wind from N

Key West weather for Wednesday 18th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 78% chance of some rain and a fresh breeze of 29 kph from the north-east.