24.7717’ N, 80.9400’ W

Grassy Key, north side, Florida Bay, FL

89°
H 90°
L 82°
SE
7mph
High tide
3:01 pm

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

Day Sky High / Low Precip Wind Humidity
Wed
Aug 26
Partly Cloudy
Close Hourly
90º / 82º 15% ESE 9 mph 70%
12pm Partly Cloudy 89º 11% SE 7 mph 68%
1pm Partly Cloudy 89º 12% SE 8 mph 69%
2pm Mostly Cloudy 88º 15% SE 9 mph 68%
3pm Mostly Cloudy 87º 15% SE 9 mph 70%
4pm Mostly Cloudy 87º 15% ESE 9 mph 70%
5pm Mostly Cloudy 87º 15% ESE 9 mph 70%
6pm Mostly Cloudy 86º 15% E 8 mph 72%
7pm Partly Cloudy 86º 5% E 9 mph 73%
8pm Partly Cloudy 85º 6% E 10 mph 75%
9pm Partly Cloudy 85º 11% E 11 mph 76%
10pm Mostly Cloudy 85º 12% E 11 mph 77%
11pm Mostly Cloudy 85º 9% E 12 mph 77%
Thu
Aug 27
Partly Cloudy
View Hourly
87º / 83º 23% SE 9 mph 74%
12am Partly Cloudy 84º 12% ESE 12 mph 79%
1am Partly Cloudy 84º 13% ESE 12 mph 78%
2am Partly Cloudy 84º 12% ESE 13 mph 79%
3am Partly Cloudy 83º 15% SE 11 mph 81%
4am Mostly Cloudy 83º 15% SE 10 mph 81%
5am Mostly Cloudy 84º 20% SE 10 mph 79%
6am Mostly Cloudy 84º 21% SE 9 mph 79%
7am Mostly Cloudy 84º 16% SE 9 mph 79%
8am Mostly Cloudy 84º 19% SSE 9 mph 77%
9am Mostly Cloudy 85º 18% SSE 8 mph 74%
10am Partly Cloudy 86º 19% SSE 8 mph 74%
11am Partly Cloudy 86º 14% SSE 8 mph 74%
12pm Partly Cloudy 87º 16% SSE 7 mph 72%
1pm Mostly Cloudy 87º 18% SE 7 mph 73%
2pm Mostly Cloudy 86º 20% SSE 7 mph 73%
3pm Mostly Cloudy 87º 20% SE 6 mph 72%
4pm Mostly Cloudy 87º 21% SE 7 mph 72%
5pm Mostly Cloudy 87º 24% ESE 6 mph 71%
6pm Mostly Cloudy 86º 19% ESE 7 mph 73%
7pm Partly Cloudy 86º 11% ESE 6 mph 73%
8pm Partly Cloudy 85º 6% ESE 6 mph 74%
9pm Partly Cloudy 85º 5% ESE 6 mph 74%
10pm Partly Cloudy 85º 5% ESE 7 mph 75%
11pm Partly Cloudy 85º 5% ESE 8 mph 74%
Fri
Aug 28
Partly Cloudy
View Hourly
88º / 83º 24% ESE 8 mph 72%
12am Partly Cloudy 85º 8% ESE 8 mph 75%
1am Partly Cloudy 84º 6% ESE 8 mph 76%
2am Partly Cloudy 84º 5% ESE 8 mph 77%
3am Partly Cloudy 84º 5% ESE 8 mph 77%
4am Partly Cloudy 84º 6% ESE 8 mph 77%
5am Partly Cloudy 84º 10% ESE 8 mph 77%
6am Mostly Cloudy 84º 14% ESE 7 mph 78%
7am Mostly Cloudy 84º 17% ESE 7 mph 78%
8am Partly Cloudy 84º 23% ESE 7 mph 77%
9am Showers 85º 35% SE 6 mph 75%
10am Mostly Cloudy 86º 24% SE 7 mph 73%
11am Partly Cloudy 87º 16% ESE 8 mph 72%
Sat
Aug 29
AM Thunderstorms 87º / 83º 40% E 9 mph 74%
Sun
Aug 30
Isolated Thunderstorms 87º / 83º 32% ESE 10 mph 75%
Mon
Aug 31
Scattered Thunderstorms 87º / 83º 48% E 10 mph 75%
Tue
Sep 1
Scattered Thunderstorms 87º / 83º 48% E 10 mph 75%
Wed
Sep 2
AM Thunderstorms 87º / 83º 40% ESE 8 mph 74%

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

* Playback displays weather for the past 6 hours.

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

Today
High : 90ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas around 1 ft.
Tonight
Low : 83ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.
Thursday
High : 89ºF
SE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.
Thursday Night
Low : 83ºF
E wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.
Friday
High : 89ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas around 1 ft.
Friday Night
Low : 83ºF
E wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.
Saturday
High : 89ºF
ESE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.
Saturday Night
Low : 84ºF
E wind 10 to 15 kt. A chance of showers and thunderstorms. Seas around 1 ft.
Sunday
High : 89ºF
ESE wind around 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.

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) 791012109776887
    4pm8pm12am4am8am12pm4pm8pm12am4am8am12pm
    MPH 791012109776887
    DIR SEESEEESESESSESSESEESEESEESEESE

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

    As Of: 57 minutes ago

    • 89ºF
    • 101ºF
    • 7mph
    • 0º (SE)
    • 7mph
    • Partly Cloudy
    • 10mi
    • 30.04"
    • 68%
    • 0ºF

    The weather right now in Grassy Key, north side, Florida Bay, FL is Partly Cloudy. The current temperature is 89°F, and the expected high and low for today, Wednesday, August 26, 2026, are 90° high temperature and 82°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the Southeast. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 101° Fahrenheit. Expected precipitation is 11 percent, with current humidity at 68 percent, and air pressure at 30.04 in. Visibility is 10 nautical miles. There are no current weather alert(s).