Key West Weather Forecast
Key West weather: 83°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Key West is a city in Florida. Key West is known for Southernmost point and sunset celebrations. It has a population of about 25.000.
Right now it is 83°F (28°C) in Key West with clear. It feels like 89°F. Today runs from 82°F to 90°F. Chance of precipitation is 11%. Sightseeing conditions score 8.9/10 - excellent - go now.
The best time to visit Key West is January, February, April and May. The climate is temperate. June, August and September tend to be the least comfortable months. August is the warmest month with average highs near 87°F, while January is the coldest with lows near 67°F.
The closest major airport is Miami International Airport (MIA), about 127 mi away. Nearby highlights include Dry Tortugas National Park, Everglades (UNESCO World Heritage Site), Everglades National Park and Key Largo.
In plain terms. Today is slightly warmer than average for August. The forecast high of 90°F is 3.2°F above the 87°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Key West today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Key West right now
Source: Open-Meteo. Updated 5:04 AM, Aug 25 local time.
See the Key West forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Key West
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Tue, Aug 25 | ☁️ Overcast | 90° / 82° | 11% | 16 mph | 9 |
| Wed, Aug 26 | 🌧️ Showers | 89° / 81° | 27% · 0,1 in | 23 mph | 9 |
| Thu, Aug 27 | ⛈️ Thunderstorm | 87° / 86° | 30% · 0,0 in | 18 mph | 9 |
| Fri, Aug 28 | ⛈️ Thunderstorm | 87° / 83° | 18% · 0,2 in | 19 mph | 8 |
| Sat, Aug 29 | ⛈️ Thunderstorm | 87° / 85° | 43% · 0,1 in | 16 mph | 9 |
| Sun, Aug 30 | ⛈️ Thunderstorm with hail | 87° / 85° | 42% · 0,2 in | 17 mph | 8 |
| Mon, Aug 31 | ⛈️ Thunderstorm | 87° / 85° | 50% · 0,2 in | 16 mph | 8 |
| Tue, Sep 1 | ⛈️ Thunderstorm | 87° / 86° | 51% · 0,2 in | 18 mph | 8 |
| Wed, Sep 2 | ⛈️ Thunderstorm | 87° / 85° | 46% · 0,3 in | 17 mph | 8 |
| Thu, Sep 3 | ⛈️ Thunderstorm | 85° / 84° | 33% · 0,1 in | 15 mph | 8 |
| Fri, Sep 4 | 🌦️ Light drizzle | 85° / 84° | 28% · 0,1 in | 13 mph | 8 |
| Sat, Sep 5 | ☁️ Overcast | 87° / 85° | 29% | 8 mph | 8 |
| Sun, Sep 6 | ☀️ Clear sky | 87° / 86° | 42% | 13 mph | 8 |
| Mon, Sep 7 | ⛈️ Thunderstorm | 87° / 85° | 39% · 0,2 in | 16 mph | 8 |
| Tue, Sep 8 | ⛈️ Thunderstorm | 87° / 85° | 40% · 0,0 in | 20 mph | 8 |
| Wed, Sep 9 | ☀️ Clear sky | -- / -- | 42% | -- | — |
Climate in Key West month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 72° | 67° | 1,3 in | ★★★★☆ |
| February | 72° | 68° | 1,2 in | ★★★★☆ |
| March | 76° | 72° | 2,4 in | ★★★★☆ |
| April | 78° | 74° | 0,9 in | ★★★★★ |
| May | 83° | 80° | 2,3 in | ★★★★☆ |
| June | 85° | 81° | 6,9 in | ★★★☆☆ |
| July | 86° | 82° | 3,0 in | ★★★★☆ |
| August | 87° | 82° | 5,3 in | ★★★☆☆ |
| September | 85° | 81° | 6,7 in | ★★★☆☆ |
| October | 82° | 78° | 5,5 in | ★★★☆☆ |
| November | 78° | 75° | 2,1 in | ★★★★☆ |
| December | 74° | 71° | 3,8 in | ★★★★☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for Key West
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Key West
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Key West
Go in January, February, April and May. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, August and September - expect the least comfortable mix of heat, cold or rain.
Explore Key West
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 West?
Key West is a city in Florida. Its coordinates are 24.5551, -81.78. It lies in North America.
What is the weather like in Key West right now?
It is currently 83°F (28°C) with clear. Humidity is 70% and wind is 8 mph.
When is the best time to visit Key West?
January, February, April and May offer the most comfortable conditions in Key West, which has a temperate climate. June, August and September are usually the hardest months for outdoor plans.
What time zone is Key West in?
Key West observes America/New_York (UTC-04:00). The local time is 5:04 AM.
How many people live in Key West?
Key West has a population of approximately 25.000.
What is the nearest airport to Key West?
The closest airports are Miami International Airport (MIA), 127 mi away and Orlando International Airport (MCO), 269 mi away.
What are the top things to do in Key West?
Popular options include Dry Tortugas National Park, Everglades (UNESCO World Heritage Site), Everglades National Park, Key Largo, Biscayne National Park and South Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - 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 25, 2026 at 5:04 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
