Key Biscayne, Florida Weather
Key Biscayne, Florida — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Key Biscayne, Miami-Dade County.
Tides, marine forecast and fishing conditions near Key Biscayne. Tide source:
Full aviation weather for Key Biscayne is published on the Miami International Airport (KMIA) page, 17 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Key Biscayne have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Key Biscayne: Miami-Opa Locka Executive Airport (KOPF) 26 km · Miami Executive Airport (KTMB) 28 km · Homestead Air Reserve Base (KHST) 32 km · North Perry Airport (KHWO) 35 km · Fort Lauderdale Hollywood International Airport (KFLL) 42 km
Conditions reported at KMIA describe the airfield itself. Weather 17 km away can differ, particularly in terrain or near the coast. For conditions at Key Biscayne specifically, see the current conditions and forecast above.
About Key Biscayne, Florida
Key Biscayne unfolds as a verdant sliver of land, a barrier island kissed by the Atlantic and cradled by Biscayne Bay. It lies 5.9 miles south-south-east of Miami, FL (from Miami, FL: bearing 161°T), and is situated 7.0 miles south-south-west of Miami Beach. Its landscape is a symphony of emerald mangroves, their tangled roots a stark contrast to the manicured lawns of waterfront homes, and the shimmering expanse of turquoise waters that lap at its shores. The air here carries the faint, sweet perfume of sea salt and blooming hibiscus, a constant reminder of its tropical embrace. Along its eastern edge, the coastline yields to stretches of powdery white sand, where the gentle roar of the ocean forms a ceaseless lullaby. To the west, the bay's calmer waters reflect the sky, creating an ever-shifting canvas of blues and golds, a haven for sailboats and paddleboarders, their silhouettes often stark against the luminous horizon as the sun dips low. This island sanctuary, once a whisper of a place charted by explorers, found its purpose and character through visionary development and a deep respect for its natural beauty. Its history is entwined with the legacy of pioneers who saw beyond the wild mangroves and envisioned a refined coastal haven. The local economy, while diverse, leans towards the service and tourism sectors, drawing visitors to its pristine beaches and the iconic lighthouse that has stood sentinel for generations. Beyond the private estates and bustling marinas, a significant portion of Key Biscayne is dedicated to the preservation of its unique ecosystem, with parks and protected areas offering sanctuary to diverse wildlife, a testament to the enduring wildness that still breathes beneath the polished veneer.
Live animated radar for Key Biscayne and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Key Biscayne, Miami-Dade County, Florida |
| Coordinates | 25.693713°N, 80.162825°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 33149 |
| Area Code | 305, 786 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Key Biscayne, Florida Weather Page
This page provides live weather conditions and forecasts for Key Biscayne, Florida, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Key Biscayne includes coordinates 25.693713°N, 80.162825°W, situated in Miami-Dade County. ZIP code 33149. Telephone area code: 305, 786. Timezone: Eastern Time (America/New_York).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
