Key Largo Weather Forecast
Key Largo weather: 83°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Key Largo
Derived from the current forecast window - not an official warning.
Peak gusts of 20 mph and 12 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,8 in, 3,4 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day forecast for Key Largo
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Aug 21 | ☁️ Overcast | 90° / 82° | 8% | 10 mph | 8 |
| Sat, Aug 22 | ☁️ Overcast | 90° / 81° | 19% | 11 mph | 8 |
| Sun, Aug 23 | ⛈️ Thunderstorm | 89° / 83° | 19% · 0,1 in | 11 mph | 7 |
| Mon, Aug 24 | ☁️ Overcast | 89° / 84° | 17% | 12 mph | 8 |
| Tue, Aug 25 | ⛈️ Thunderstorm | 88° / 82° | 27% · 0,1 in | 14 mph | 8 |
| Wed, Aug 26 | ⛈️ Thunderstorm | 89° / 82° | 35% · 0,2 in | 13 mph | 7 |
| Thu, Aug 27 | ⛈️ Thunderstorm | 90° / 83° | 32% · 0,1 in | 13 mph | 8 |
| Fri, Aug 28 | ⛈️ Thunderstorm with hail | 89° / 84° | 28% · 0,4 in | 11 mph | 7 |
| Sat, Aug 29 | ⛈️ Thunderstorm with hail | 86° / 83° | 33% · 0,8 in | 13 mph | 3 |
| Sun, Aug 30 | ⛈️ Thunderstorm | 88° / 83° | 44% · 0,2 in | 14 mph | 6 |
| Mon, Aug 31 | ⛈️ Thunderstorm | 84° / 80° | 39% · 0,5 in | 16 mph | 3 |
| Tue, Sep 1 | ⛈️ Thunderstorm | 87° / 82° | 57% · 0,1 in | 11 mph | 6 |
| Wed, Sep 2 | ⛈️ Thunderstorm | 89° / 83° | 45% · 0,2 in | 11 mph | 8 |
| Thu, Sep 3 | ⛈️ Thunderstorm | 87° / 82° | 36% · 0,4 in | 9 mph | 8 |
| Fri, Sep 4 | ⛈️ Thunderstorm | 88° / 81° | 53% · 0,4 in | 10 mph | 7 |
| Sat, Sep 5 | ☀️ Clear sky | -- / -- | 43% | -- | — |
What this means for Key Largo
Today is slightly warmer than average for August. The forecast high of 90°F is 3.1°F above the 87°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 47°F.
See the Key Largo forecast by time range
Key Largo weather - more answers
Explore Key Largo
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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 83°F (28°C) with clear. Humidity is 72% and wind is 10 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 4:38 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 August 21, 2026 at 4:38 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
