Key Largo Weather Forecast
Key Largo weather: 83°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
14-day forecast for Key Largo
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | 90° / 79° | 5% | 11 mph | 9 |
| Sun, Aug 23 | ☁️ Overcast | 90° / 81° | 10% | 11 mph | 8 |
| Mon, Aug 24 | ☁️ Overcast | 90° / 81° | 6% | 12 mph | 8 |
| Tue, Aug 25 | 🌦️ Drizzle | 89° / 82° | 22% · 0,0 in | 12 mph | 9 |
| Wed, Aug 26 | ⛈️ Thunderstorm with hail | 87° / 82° | 52% · 1,0 in | 12 mph | 5 |
| Thu, Aug 27 | ⛈️ Thunderstorm | 89° / 82° | 24% · 0,1 in | 11 mph | 9 |
| Fri, Aug 28 | ⛈️ Thunderstorm | 89° / 83° | 31% · 0,3 in | 11 mph | 8 |
| Sat, Aug 29 | 🌦️ Drizzle | 89° / 83° | 23% · 0,2 in | 13 mph | 8 |
| Sun, Aug 30 | 🌦️ Light drizzle | 89° / 84° | 36% · 0,1 in | 13 mph | 8 |
| Mon, Aug 31 | ☀️ Clear sky | 89° / 83° | 31% | 13 mph | 8 |
| Tue, Sep 1 | ⛈️ Thunderstorm with hail | 88° / 83° | 30% · 0,1 in | 12 mph | 8 |
| Wed, Sep 2 | 🌦️ Light drizzle | 88° / 83° | 31% · 0,0 in | 10 mph | 8 |
| Thu, Sep 3 | ☁️ Overcast | 89° / 83° | 45% | 11 mph | 8 |
| Fri, Sep 4 | 🌦️ Drizzle | 89° / 83° | 55% · 0,1 in | 11 mph | 8 |
The two-week trend
Steady. The second week averages within a degree of the first, so no big change is signalled.
The window averages 89°F against a August normal of 87°F - right on average.
Rainfall over the next 7 days is close to normal for August (1,5 in against a typical 1,1 in).
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
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 83°F (29°C) with clear. Humidity is 73% and wind is 5 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 9:53 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 23, 2026 at 9:53 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
