Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 23°C. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

Saturday
17th Jan
23

20

5

5
Sunday
18th Jan
24

18

4

4
Monday
19th Jan
19

14

8

3
Tuesday
20th Jan
22

16

9

6
Wednesday
21st Jan
23

19

4

5

5-day weather forecast updated at 04:03 on Saturday 17th January 2026 GMT

More about Key Largo

Key Largo 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 Largo) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Key Largo weather forecast by day

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

Key Largo weather for Saturday 17th January 2026

Expect broken clouds in Key Largo, Florida with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

23
°C maximum temperature
20
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Key Largo weather for Sunday 18th January 2026

Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 23% chance of some rain and a fresh breeze of 29 kph from the north.

24
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
23
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
29
kph wind from N

Key Largo weather for Monday 19th January 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the north.

19
°C maximum temperature
14
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
33
kph wind from N

Key Largo weather for Tuesday 20th January 2026

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 22°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the north-east.

22
°C maximum temperature
16
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
34
kph wind from NE

Key Largo weather for Wednesday 21st January 2026

Expect broken clouds in Key Largo, Florida with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north-east.