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

Day Sky High / Low Precip Wind Humidity
Wed
Aug 5 		Scattered Thunderstorms
Close Hourly 		87º / 82º 40% E 12 mph 74%
11am Mostly Cloudy 86º 12% E 9 mph 72%
12pm Mostly Cloudy 87º 24% E 9 mph 71%
1pm Showers 87º 34% E 10 mph 72%
2pm Cloudy 86º 15% E 10 mph 73%
3pm Cloudy 86º 15% ENE 11 mph 73%
4pm Cloudy 86º 15% ENE 12 mph 72%
5pm Cloudy 87º 15% ENE 12 mph 71%
6pm Cloudy 86º 15% ENE 12 mph 74%
7pm Mostly Cloudy 85º 13% ENE 12 mph 75%
8pm Mostly Cloudy 85º 6% ENE 13 mph 77%
9pm Mostly Cloudy 84º 13% ENE 14 mph 79%
10pm Mostly Cloudy 84º 17% ENE 14 mph 79%
11pm Mostly Cloudy 84º 17% ENE 14 mph 80%
Thu
Aug 6 		Showers
View Hourly 		86º / 82º 39% E 14 mph 77%
12am Mostly Cloudy 84º 23% ENE 14 mph 81%
1am Mostly Cloudy 84º 13% E 14 mph 80%
2am Partly Cloudy 84º 8% E 14 mph 81%
3am Partly Cloudy 84º 12% E 13 mph 79%
4am Partly Cloudy 84º 21% E 12 mph 79%
5am Few Showers 84º 31% E 12 mph 79%
6am Isolated Thunderstorms 84º 31% E 12 mph 81%
7am Partly Cloudy 84º 19% E 11 mph 79%
8am Few Showers 83º 31% E 12 mph 81%
9am Showers 84º 39% E 14 mph 79%
10am Few Showers 84º 32% E 13 mph 75%
11am Few Showers 85º 34% E 13 mph 76%
12pm Showers 84º 35% E 14 mph 78%
1pm Mostly Cloudy 85º 17% E 13 mph 76%
2pm Mostly Cloudy 85º 24% E 13 mph 76%
3pm Few Showers 85º 33% E 13 mph 77%
4pm Few Showers 85º 33% E 14 mph 76%
5pm Mostly Cloudy 85º 15% ENE 13 mph 75%
6pm Mostly Cloudy 85º 6% ENE 14 mph 75%
7pm Partly Cloudy 85º 6% ENE 14 mph 74%
8pm Partly Cloudy 85º 11% ENE 13 mph 77%
9pm Partly Cloudy 84º 17% ENE 14 mph 78%
10pm Partly Cloudy 84º 9% ENE 14 mph 77%
11pm Partly Cloudy 84º 9% ENE 14 mph 77%
Fri
Aug 7 		Partly Cloudy
View Hourly 		87º / 83º 15% ESE 9 mph 75%
12am Partly Cloudy 84º 6% ENE 14 mph 77%
1am Partly Cloudy 84º 13% ENE 13 mph 79%
2am Mostly Cloudy 84º 24% ENE 12 mph 80%
3am Mostly Cloudy 84º 24% ENE 11 mph 80%
4am Mostly Cloudy 84º 17% ENE 11 mph 79%
5am Mostly Cloudy 83º 12% ENE 10 mph 80%
6am Partly Cloudy 83º 17% ENE 9 mph 80%
7am Partly Cloudy 83º 12% ENE 9 mph 81%
8am Partly Cloudy 84º 5% E 9 mph 79%
9am Partly Cloudy 84º 10% E 9 mph 78%
10am Partly Cloudy 85º 8% E 9 mph 76%
Sat
Aug 8 		Partly Cloudy 88º / 83º 24% ESE 11 mph 75%
Sun
Aug 9 		Partly Cloudy 88º / 84º 24% ESE 13 mph 74%
Mon
Aug 10 		Partly Cloudy 88º / 84º 24% ESE 13 mph 74%
Tue
Aug 11 		Partly Cloudy 88º / 84º 15% ESE 13 mph 74%
Wed
Aug 12 		Partly Cloudy 88º / 84º 24% ESE 11 mph 74%

Weather Radar for Grassy Key, north side, Florida Bay, FL See Radar

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* Playback displays weather for the past 6 hours.

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

Today
High : 88ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tonight
Low : 84ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
High : 88ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
Low : 83ºF
ENE wind 10 to 15 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Friday
High : 88ºF
ESE wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
Low : 84ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Saturday
High : 88ºF
SE wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Saturday Night
Low : 83ºF
E wind 10 to 15 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
High : 88ºF
E wind 10 to 15 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

NOAA Buoy Data Near Grassy Key, north side, Florida Bay, FL See Map

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    Wind Speed Forecast for Grassy Key, north side, Florida Bay, FL

    WednesdayThursdayFriday
    Wind Speed (MPH) 9111214131113131414119
    3pm7pm11pm3am7am11am3pm7pm11pm3am7am11am
    MPH 9111214131113131414119
    DIR EENEENEENEEEEEENEENEENEENE

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

    As Of: 48 minutes ago

    • 86ºF
    • 97ºF
    • 9mph
    • 0º (E)
    • 9mph
    • Mostly Cloudy
    • 10mi
    • 30.09"
    • 72%
    • 0ºF

    The weather right now in Grassy Key, north side, Florida Bay, FL is Mostly Cloudy. The current temperature is 86°F, and the expected high and low for today, Wednesday, August 5, 2026, are 87° high temperature and 82°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the East. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 97° Fahrenheit. Expected precipitation is 12 percent, with current humidity at 72 percent, and air pressure at 30.09 in. Visibility is 10 nautical miles. There are no current weather alert(s).