Location & Surroundings
Grassy Key is a coastline in Florida, United States. The nearest larger town is Key West, 9 km to the southwest. The national capital Washington is about 1650 km to the north. The nearest airport is Gulf of Mexico Seaplane Base, 5 km away.
Also known as: Desolation Keys
Overview
Grassy Key is island in Great White Heron National Wildlife Refuge in Monroe County, Florida, United States.
It is located in Monroe County, United States.
Also known as: Desolation Keys
Basic Data
- Country United States
- Located in Monroe County
- Type island (ISL)
- a tract of land, smaller than a continent, surrounded by water at high water
Geography
-
Coordinates
24° 37' 4" N, 81° 43' 38" W
- Elevation 0 m (DEM: 4 m)
- Timezone America/New_York
- Time Shift GMT -5 (DST -4)
Statistics & Country
- Pop. Density 0 p/km²
- Built-up 0.0%
- Settlement Water
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 20:51
- Sunrise 07:28
- Sunset 18:53
- Day length 11 h 24 min
Other islands nearby
Nearby
Alternate Names
Weather in Grassy Key
Current conditions and a 3-day (72-hour) weather forecast for Grassy Key, updated from the NOAA GFS model.
Now 25.4 C with mostly clear skies and a 7.5 m/s north-easterly wind. Next 24h: 24.5 to 26.7 C, max wind 10.2 m/s. Precip around 1.8 mm. Solar peaks near 572 W/m2.
Temperature
25.4 C
Wind
7.5 m/s NE (27 deg)
Humidity
69 %
Pressure
1,015.7 hPa
Clouds
2 %
Precip
1.79 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 25.4 | 7.5 | 27 | 69 | 1,015.7 | - / 0.00 | 2 | 0.0 | n/a |
| 6h | 26.7 | 10.2 | 21 | 66 | 1,015.2 | 0.03 / 0.03 | 0 | 363.8 | n/a |
| 12h | 24.8 | 8.8 | 28 | 71 | 1,015.5 | 0.07 / 0.10 | 0 | 0.0 | n/a |
| 18h | 24.5 | 7.8 | 16 | 77 | 1,015.3 | 0.23 / 0.33 | 0 | 1.7 | n/a |
| Tomorrow | 25.2 | 6.8 | 34 | 76 | 1,014.0 | 1.46 / 1.79 | 5 | 571.8 | n/a |
| 30h | 26.0 | 10.7 | 49 | 74 | 1,013.8 | 0.00 / 0.67 | 6 | 352.2 | n/a |
| 36h | 24.9 | 9.7 | 37 | 78 | 1,013.5 | 0.00 / 0.41 | 9 | 0.0 | n/a |
| 42h | 25.0 | 12.1 | 25 | 79 | 1,014.3 | 1.12 / 1.53 | 7 | 1.6 | n/a |
| Monday | 26.5 | 11.0 | 26 | 72 | 1,012.8 | 0.00 / 0.09 | 0 | 563.2 | n/a |
| 54h | 26.2 | 12.3 | 31 | 74 | 1,013.1 | 0.46 / 0.55 | 2 | 349.6 | n/a |
| 60h | 25.2 | 11.6 | 29 | 76 | 1,012.9 | 0.00 / 0.00 | 85 | 0.0 | n/a |
| 66h | 25.0 | 11.6 | 16 | 79 | 1,013.1 | 0.00 / 0.00 | 62 | 1.5 | n/a |
| Tuesday | 26.3 | 8.2 | 22 | 77 | 1,012.0 | 0.25 / 0.25 | 1 | 462.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-24 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Grassy Key?
Now 25.4 C with mostly clear skies and a 7.5 m/s north-easterly wind. Next 24h: 24.5 to 26.7 C, max wind 10.2 m/s. Precip around 1.8 mm. Solar peaks near 572 W/m2.
Is precipitation expected in the next 24 hours?
Around 1.8 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Grassy Key today?
Sunrise around 07:28 and sunset around 18:53 (local time). Day length about 11h 25m.
What is the local time in Grassy Key?
Local time is 20:51. Time zone: America/New_York (UTC-04:00).
What type of place is Grassy Key?
Grassy Key is a island.
What is the elevation of Grassy Key?
Elevation about 0 m. DEM 4 m.
Where is Grassy Key located?
It is at 24.61764, -81.72731 (latitude, longitude).
Which country is Grassy Key in?
It is in United States.
Links
- Wikidata entry Wikidata entry