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

Day Sky High / Low Precip Wind Humidity
Wed
Jul 15
Mostly Cloudy -º / 83º 2% NE 5 mph 76%
Thu
Jul 16
AM Clouds/PM Sun
View Hourly
89º / 83º 3% ENE 7 mph 68%
3am Mostly Cloudy 85º 2% NE 5 mph 76%
4am Mostly Cloudy 85º 2% NE 5 mph 76%
5am Mostly Cloudy 85º 2% NE 4 mph 75%
6am Cloudy 84º 2% NNE 5 mph 75%
7am Cloudy 84º 2% NNE 5 mph 75%
8am Mostly Cloudy 85º 2% NE 6 mph 73%
9am Cloudy 86º 2% NNE 7 mph 70%
10am Cloudy 87º 3% NNE 7 mph 68%
11am Mostly Cloudy 87º 3% NE 7 mph 67%
12pm Mostly Cloudy 88º 3% NE 7 mph 67%
1pm Partly Cloudy 88º 3% NE 7 mph 65%
2pm Mostly Cloudy 88º 3% ENE 6 mph 64%
3pm Partly Cloudy 88º 3% E 6 mph 64%
4pm Partly Cloudy 88º 3% ESE 6 mph 65%
5pm Mostly Cloudy 88º 3% E 5 mph 66%
6pm Partly Cloudy 88º 3% ESE 4 mph 66%
7pm Mostly Cloudy 87º 3% E 3 mph 68%
8pm Mostly Cloudy 87º 3% ENE 3 mph 68%
9pm Mostly Cloudy 86º 8% SSE 4 mph 71%
10pm Mostly Cloudy 85º 9% SSE 3 mph 72%
11pm Mostly Cloudy 85º 4% SSE 2 mph 72%
Fri
Jul 17
Mostly Cloudy
View Hourly
88º / 82º 15% SW 4 mph 69%
12am Mostly Cloudy 85º 6% SSE 2 mph 72%
1am Mostly Cloudy 85º 3% S 2 mph 74%
2am Cloudy 84º 4% SSW 3 mph 74%
3am Cloudy 84º 4% S 2 mph 74%
4am Cloudy 84º 4% SSW 2 mph 74%
5am Cloudy 84º 8% SSW 2 mph 74%
6am Mostly Cloudy 84º 9% WSW 1 mph 75%
7am Cloudy 84º 8% SW 1 mph 75%
8am Mostly Cloudy 84º 4% W 1 mph 74%
9am Mostly Cloudy 85º 4% W 2 mph 72%
10am Mostly Cloudy 86º 4% SSW 3 mph 69%
11am Mostly Cloudy 87º 4% SW 3 mph 68%
12pm Mostly Cloudy 87º 4% SW 3 mph 68%
1pm Mostly Cloudy 87º 11% SSW 3 mph 68%
2pm Mostly Cloudy 88º 15% SSW 4 mph 66%
3pm Mostly Cloudy 88º 15% SSW 4 mph 67%
4pm Cloudy 88º 15% SSW 4 mph 67%
5pm Cloudy 87º 15% SSW 4 mph 68%
6pm Mostly Cloudy 87º 15% S 4 mph 67%
7pm Mostly Cloudy 86º 3% SSW 3 mph 69%
8pm Partly Cloudy 85º 4% S 4 mph 71%
9pm Partly Cloudy 84º 7% S 4 mph 73%
10pm Partly Cloudy 84º 8% S 4 mph 72%
11pm Partly Cloudy 84º 3% S 4 mph 74%
Sat
Jul 18
Partly Cloudy
View Hourly
87º / 82º 24% SSE 9 mph 69%
12am Mostly Cloudy 84º 3% SSE 3 mph 73%
1am Mostly Cloudy 84º 3% SSE 2 mph 75%
2am Partly Cloudy 84º 4% SSE 4 mph 75%
Sun
Jul 19
Partly Cloudy 88º / 82º 17% SSW 11 mph 71%
Mon
Jul 20
Partly Cloudy 88º / 83º 19% SW 12 mph 71%
Tue
Jul 21
Partly Cloudy 88º / 83º 16% S 11 mph 70%
Wed
Jul 22
Partly Cloudy 88º / 83º 12% SE 9 mph 68%

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

Thursday
High : 90ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
Low : 82ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Friday
High : 90ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
Low : 82ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Saturday
High : 90ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Saturday Night
Low : 82ºF
SSE wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
High : 90ºF
S wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Sunday Night
Low : 83ºF
S wind 5 to 10 kt. A slight chance of showers. Seas 1 ft or less.
Monday
High : 88ºF
S wind around 10 kt. Sunny. 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

    ThursdayFridaySaturday
    Wind Speed (MPH) 557632213434
    7am11am3pm7pm11pm3am7am11am3pm7pm11pm3am
    MPH 557632213434
    DIR NENNENEEESSESSWSWSSWSSWS

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

    As Of: 23 minutes ago

    • 85ºF
    • 95ºF
    • 5mph
    • 0º (NE)
    • 5mph
    • Mostly Cloudy
    • 10mi
    • 30.06"
    • 76%
    • 0ºF

    The weather right now in Grassy Key, north side, Florida Bay, FL is Mostly Cloudy. The current temperature is 85°F, and the expected high and low for today, Thursday, July 16, 2026, are -° high temperature and 83°F low temperature. The wind is currently blowing at 5 miles per hour, and coming from the Northeast. The wind is gusting to 5 mph. With the wind and the atmosphere the temperature feels like 95° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 76 percent, and air pressure at 30.06 in. Visibility is 10 nautical miles. There are no current weather alert(s).