Key Largo Weather Forecast
Key Largo weather: 79°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Tomorrow in Key Largo - Saturday, September 19
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
Active alerts for Key Largo
Derived from the forecast. No official alert feed is wired for this country yet.
Is today a good day to visit?
Activity scores from 0 to 10 based on temperature, rain, wind, sun and visibility.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid June, September and October - historically the least comfortable months here.
See the Key Largo forecast by time range
Key Largo weather - more answers
Explore Key Largo
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Key Largo?
Key Largo is an island in Florida. Its coordinates are 25.0865, -80.4473. It lies in North America.
What is the weather like in Key Largo right now?
It is currently 79°F (26°C) with clear. Humidity is 81% and wind is 11 mph.
When is the best time to visit Key Largo?
January, February, April, May and November offer the most comfortable conditions in Key Largo, which has a temperate climate. June, September and October are usually the hardest months for outdoor plans.
What time zone is Key Largo in?
Key Largo observes America/New_York (UTC-04:00). The local time is 10:41 AM.
What is the nearest airport to Key Largo?
The closest airports are Miami International Airport (MIA), 50 mi away and Orlando International Airport (MCO), 237 mi away.
What are the top things to do in Key Largo?
Popular options include Biscayne National Park, Everglades (UNESCO World Heritage Site), Everglades National Park, South Beach, Dry Tortugas National Park and Myakka River State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 18, 2026 at 10:41 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
