Key Largo weather live forecast

Today's maximum temperature in Key Largo is expected to be 79°F. Select a day from the live weather forecast for Key Largo, Florida, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 21st December 2025 GMT

More about Key Largo

Key Largo by month

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

Recommended for Florida

  • 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 codeShow discount code ******ALE

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUITUI deal finder

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 Sunday 21st December 2025

Expect scattered clouds in Key Largo, Florida with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 14 mph from the North-East14
    mph wind from NE

Back to top

Key Largo weather for Monday 22nd December 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a strong breeze of 24 mph from the north-east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Strong breeze of 24 mph from the North-East24
    mph wind from NE

Back to top

Key Largo weather for Tuesday 23rd December 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a fresh breeze of 24 mph from the east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Fresh breeze of 24 mph from the East24
    mph wind from E

Back to top

Key Largo weather for Wednesday 24th December 2025

Expect broken clouds in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the north-east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Fresh breeze of 18 mph from the North-East18
    mph wind from NE

Back to top

Key Largo weather for Thursday 25th December 2025

Expect sunshine and showers in Key Largo, Florida with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a moderate breeze of 16 mph from the east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Moderate breeze of 16 mph from the East16
    mph wind from E

Back to top

  • 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 codeShow discount code ******ALE

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUITUI deal finder

Metric (°C)  |  Imperial (°F)

Back to top

More about Florida

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^