Key West weather live forecast

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

Monday
16th Mar
29

25

9

9
Tuesday
17th Mar
25

21

2

4
Wednesday
18th Mar
26

20

1

4
Thursday
19th Mar
26

22

7

7
Friday
20th Mar
27

22

8

9

5-day weather forecast updated at 04:00 on Monday 16th 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 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 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 22 kph from the south.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
78
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from S

Key West weather for Tuesday 17th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 30 kph from the north.

25
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
42
% chance of some rain
<30
mm of rainfall expected
25
°C wind chill
30
kph wind from N

Key West weather for Wednesday 18th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 28 kph from the north-east.

26
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
70
% chance of some rain
<5
mm of rainfall expected
26
°C wind chill
28
kph wind from NE

Key West weather for Thursday 19th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 28 kph from the north-east.

26
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
36
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
28
kph wind from NE

Key West weather for Friday 20th March 2026

Expect isolated thunderstorms in Key West, Florida with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 26 kph from the north.