Grassy Key, north side, Florida Bay, FL Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Wed Sep 16	Showers Late Close Hourly	-º / 82º	45%	ENE 14 mph	76%
4pm	Partly Cloudy	88º	15%	ENE 13 mph	67%
5pm	Partly Cloudy	88º	15%	ENE 13 mph	68%
6pm	Partly Cloudy	87º	8%	ENE 14 mph	69%
7pm	Partly Cloudy	86º	9%	ENE 14 mph	73%
8pm	Partly Cloudy	85º	6%	ENE 13 mph	76%
9pm	Partly Cloudy	85º	7%	ENE 13 mph	76%
10pm	Partly Cloudy	84º	9%	ENE 14 mph	77%
11pm	Partly Cloudy	84º	17%	ENE 13 mph	79%
Thu Sep 17	Partly Cloudy View Hourly	87º / 81º	23%	ENE 15 mph	74%
12am	Partly Cloudy	84º	24%	ENE 13 mph	79%
1am	Few Showers	84º	34%	ENE 14 mph	80%
2am	Showers	83º	45%	ENE 14 mph	82%
3am	Few Showers	83º	33%	ENE 12 mph	79%
4am	Mostly Cloudy	83º	19%	ENE 11 mph	78%
5am	Mostly Cloudy	83º	13%	ENE 10 mph	79%
6am	Mostly Cloudy	83º	20%	ENE 9 mph	79%
7am	Mostly Cloudy	83º	24%	ENE 9 mph	82%
8am	Mostly Cloudy	83º	24%	ENE 10 mph	79%
9am	Mostly Cloudy	84º	16%	ENE 10 mph	76%
10am	Partly Cloudy	85º	24%	ENE 11 mph	74%
11am	Partly Cloudy	86º	21%	ENE 12 mph	74%
12pm	Mostly Cloudy	86º	12%	ENE 11 mph	73%
1pm	Mostly Cloudy	86º	15%	ENE 12 mph	73%
2pm	Mostly Cloudy	87º	20%	ENE 14 mph	72%
3pm	Mostly Cloudy	86º	20%	ENE 15 mph	72%
4pm	Mostly Cloudy	87º	17%	ENE 14 mph	70%
5pm	Mostly Cloudy	86º	23%	ENE 14 mph	71%
6pm	Cloudy	86º	20%	ENE 14 mph	71%
7pm	Cloudy	85º	24%	ENE 14 mph	74%
8pm	Cloudy	84º	24%	ENE 13 mph	75%
9pm	Isolated Thunderstorms	84º	31%	ENE 12 mph	77%
10pm	Mostly Cloudy	83º	24%	ENE 11 mph	76%
11pm	Mostly Cloudy	83º	24%	ENE 10 mph	76%
Fri Sep 18	Scattered Thunderstorms View Hourly	86º / 80º	43%	E 8 mph	74%
12am	Isolated Thunderstorms	83º	31%	ENE 9 mph	77%
1am	Mostly Cloudy	83º	20%	ENE 8 mph	78%
2am	Mostly Cloudy	83º	24%	ENE 9 mph	79%
3am	Mostly Cloudy	83º	17%	ENE 8 mph	78%
4am	Partly Cloudy	83º	20%	ENE 7 mph	79%
5am	Showers	83º	37%	ENE 7 mph	77%
6am	Scattered Thunderstorms	82º	43%	ENE 6 mph	77%
7am	Scattered Thunderstorms	82º	35%	ENE 5 mph	79%
8am	Mostly Cloudy	82º	21%	ENE 7 mph	79%
9am	Scattered Thunderstorms	83º	35%	E 7 mph	79%
10am	Scattered Thunderstorms	83º	43%	E 8 mph	77%
11am	Cloudy	84º	24%	ESE 7 mph	74%
12pm	Showers	84º	37%	ESE 7 mph	72%
1pm	Few Showers	85º	31%	E 8 mph	73%
2pm	Showers	85º	36%	E 8 mph	72%
3pm	Few Showers	85º	31%	E 8 mph	72%
Sat Sep 19	AM Thunderstorms	86º / 80º	53%	ESE 4 mph	73%
Sun Sep 20	Scattered Thunderstorms	86º / 81º	52%	S 7 mph	74%
Mon Sep 21	AM Thunderstorms	86º / 81º	61%	SSW 7 mph	74%
Tue Sep 22	Scattered Thunderstorms	86º / 81º	51%	S 8 mph	74%
Wed Sep 23	Scattered Thunderstorms	86º / 81º	52%	SE 8 mph	76%

Buoy Data
For Grassy Key, north side, Florida Bay, FL
Wind Forecast
In Grassy Key, north side, Florida Bay, FL
Radar
In Grassy Key, north side, Florida Bay, FL
Marine Forecast
In Grassy Key, north side, Florida Bay, FL

NOAA Weather Marine Forecast for Grassy Key, north side, Florida Bay, FL

This Afternoon

High : 88ºF
ENE wind around 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Tonight

Low : 82ºF
ENE wind 10 to 15 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Thursday

High : 88ºF
E wind around 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Thursday Night

Low : 81ºF
E wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Friday

High : 87ºF
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Friday Night

Low : 81ºF
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Saturday

High : 87ºF
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Saturday Night

Low : 81ºF
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday

High : 87ºF
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Current Weather Conditions In Grassy Key, north side, Florida Bay, FL

As Of: 47 minutes ago

Temperature: 88ºF
Feels Like: 99ºF

Wind Speed: 13mph
Direction: 0º (ENE)
Gusts: 13mph

Cloud Cover: Partly Cloudy
Visibility: 10mi

Pressure: 30.03"
Humidity: 67%
Dew Point: 0ºF

The weather right now in Grassy Key, north side, Florida Bay, FL is Partly Cloudy. The current temperature is 88°F, and the expected high and low for today, Wednesday, September 16, 2026, are -° high temperature and 82°F low temperature. The wind is currently blowing at 13 miles per hour, and coming from the East Northeast. The wind is gusting to 13 mph. With the wind and the atmosphere the temperature feels like 99° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 67 percent, and air pressure at 30.03 in. Visibility is 10 nautical miles. There are no current weather alert(s).