Grassy Key, FL Weather Forecast
 Marine Forecast: Hawk Channel from Craig Key to West End of Seven Mile Bridge 
 Grassy Key, Florida
 Lat: 24.72N, Lon: 81.05W
 
 Mostly Clear
Temp: 73°F
- Humidity:
 - 90%
 
- Winds:
 - 10 MPH NNE
 
- Gusts:
 - 18 MPH
 
- Barometer:
 - 30.16 in.
 
- Dewpoint:
 - 70°F
 
- Heat index:
 - 73°F
 
- Sunrise:
 - 6:31 AM EST
 
- Sunset:
 - 5:41 PM EST
 
- Moonrise:
 - 4:57 PM EST
 
- Moonset:
 - 5:26 AM EST
 
| Today...Partly sunny this morning, then becoming mostly cloudy. Breezy. Highs near 80. Northeast winds 15 to 20 mph, becoming northeast to east. | 
| Tonight...Mostly cloudy. Breezy in the evening. Lows in the mid 70s. Northeast to east winds 15 to 20 mph, Decreasing to near 15 mph. | 
| Wednesday...Mostly cloudy. Highs in the lower 80s. Northeast to east winds near 15 mph, Decreasing to 10 to 15 mph. | 
| Wednesday Night...Mostly cloudy with a slight chance of showers. Lows in the mid 70s. Northeast to east winds 10 to 15 mph. Chance of rain 10 percent. | 
| Thursday...Mostly cloudy with a slight chance of showers. Highs in the lower 80s. Northeast to east winds near 10 mph. Chance of rain 10 percent. | 
| Thursday Night And Friday...Mostly cloudy with a slight chance of showers. Lows in the mid 70s. Highs in the lower 80s. Chance of rain 20 percent. | 
| Friday Night...Partly cloudy with a slight chance of showers. Lows in the mid 70s. Chance of rain 20 percent. | 
| Saturday...Mostly clear with a slight chance of showers. Highs in the lower to mid 80s. Lows in the mid 70s. Chance of rain 20 percent. | 
| Sunday...Mostly clear with a slight chance of showers. Highs in the lower to mid 80s. Lows in the mid 70s. Chance of rain 20 percent. | 
| Sunday Night...Partly cloudy with a slight chance of showers. Lows in the mid 70s. Chance of rain 10 percent. | 
| Monday...Partly cloudy with a slight chance of showers. Becoming breezy. Highs in the lower 80s. Chance of rain 20 percent. |