Key Largo weather forecast

Get the latest coronavirus (Covid-19) updates for Florida with current travel advice and statistics on new cases per 100,000 and vaccine.

Last updated at 04:06 on Wednesday 22nd September 2021 GMT

  • Save £100 on summer 2021 holidays to Florida
  • Min spend £800 per booking
  • Travel before 31st October 2021 (inclusive)
Show discount codeShow discount code ******INE

Expires at 23:59 on Thursday 30th Sep 2021 · View all TUI offers

Recommended for Florida

  • Top deals & discounts
  • Key Largo weather overview
  • Key Largo climate averages by month
  • More destinations
  • Best time to go to Key Largo
  • Key Largo weather today - current conditions (last 24-hours)

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

The 5-day weather forecast for Key Largo, Florida 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 Wednesday 22nd September 2021

Below is the Key Largo weather forecast for Wednesday 22nd September 2021. Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 16 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 78% chance of some rain78
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

Back to top

Key Largo weather for Thursday 23rd September 2021

Below is the Key Largo weather forecast for Thursday 23rd September 2021. Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a light breeze of 8 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 66% chance of some rain66
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South8
    kph wind from S

Back to top

Key Largo weather for Friday 24th September 2021

Below is the Key Largo weather forecast for Friday 24th September 2021. Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 58% chance of some rain and a light breeze of 8 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 58% chance of some rain58
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the East8
    kph wind from E

Back to top

Key Largo weather for Saturday 25th September 2021

Below is the Key Largo weather forecast for Saturday 25th September 2021. Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 85% chance of some rain and a light breeze of 8 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 85% chance of some rain85
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the East8
    kph wind from E

Back to top

Key Largo weather for Sunday 26th September 2021

Below is the Key Largo weather forecast for Sunday 26th September 2021. Expect isolated thunderstorms in Key Largo, Florida with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 13 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 90% chance of some rain90
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

Back to top

  • Save 30% on Covid-19 Fit to Fly test & travel certificate
  • Home Covid-19 PCR test with free express delivery
  • Receive online results within 24-72 hours once test at lab
Show discount codeShow discount code ******VEL

Expires at 23:59 on Friday 31st Dec 2021

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.