Key Largo Weather Forecast
Key Largo weather: 84°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Key Largo?
No - rain is unlikely in Key Largo today.
Rain is very unlikely today - plans do not need a backup.
Over the next 7 days, about 0,6 in of precipitation is forecast, with the wettest days falling on Wed.
Rainfall over the next 7 days is close to normal for August (0,6 in against a typical 1,1 in).
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% | 11 mph | 8 |
| Sat, Aug 22 | ☁️ Overcast | 90° / 81° | 6% | 12 mph | 9 |
| Sun, Aug 23 | ☁️ Overcast | 88° / 79° | 30% | 15 mph | 9 |
| Mon, Aug 24 | 🌧️ Heavy drizzle | 88° / 82° | 12% · 0,2 in | 11 mph | 9 |
| Tue, Aug 25 | 🌧️ Heavy drizzle | 89° / 83° | 26% · 0,1 in | 13 mph | 9 |
| Wed, Aug 26 | ⛈️ Thunderstorm with hail | 89° / 83° | 41% · 0,3 in | 12 mph | 9 |
| Thu, Aug 27 | ☁️ Overcast | 89° / 83° | 39% | 12 mph | 8 |
| Fri, Aug 28 | ⛈️ Thunderstorm | 89° / 83° | 35% · 0,4 in | 11 mph | 8 |
| Sat, Aug 29 | ☁️ Overcast | 90° / 84° | 28% | 16 mph | 8 |
| Sun, Aug 30 | ⛈️ Thunderstorm with hail | 89° / 83° | 32% · 0,2 in | 13 mph | 8 |
| Mon, Aug 31 | 🌦️ Light drizzle | 89° / 83° | 35% · 0,0 in | 14 mph | 8 |
| Tue, Sep 1 | ⛅ Partly cloudy | 91° / 83° | 37% | 16 mph | 8 |
| Wed, Sep 2 | ⛅ Partly cloudy | 90° / 83° | 39% | 15 mph | 8 |
| Thu, Sep 3 | ☀️ Clear sky | 89° / 83° | 52% | 14 mph | 8 |
| Fri, Sep 4 | 🌦️ Light drizzle | 89° / 82° | 58% · 0,0 in | 11 mph | 8 |
| Sat, Sep 5 | ⛅ Partly cloudy | 89° / 82° | 61% | 11 mph | 8 |
What this means for Key Largo
Today is slightly warmer than average for August. The forecast high of 90°F is 2.9°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.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- 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
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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 84°F (29°C) with clear. Humidity is 74% and wind is 6 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 9:55 PM.
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 9:55 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
