Boca Chita Key, Biscayne Bay, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Aug 13 		Partly Cloudy
Close Hourly 		87º / 84º 15% E 9 mph 71%
10am Partly Cloudy 87º 5% ENE 2 mph 70%
11am Partly Cloudy 87º 4% NNE 2 mph 69%
12pm Mostly Sunny 88º 3% E 4 mph 68%
1pm Mostly Sunny 87º 9% E 6 mph 71%
2pm Mostly Sunny 86º 19% E 7 mph 72%
3pm Mostly Sunny 86º 15% E 8 mph 73%
4pm Partly Cloudy 86º 15% E 9 mph 73%
5pm Partly Cloudy 86º 15% E 9 mph 72%
6pm Partly Cloudy 86º 5% ESE 9 mph 72%
7pm Partly Cloudy 86º 5% E 7 mph 72%
8pm Partly Cloudy 86º 4% ESE 6 mph 73%
9pm Partly Cloudy 85º 6% E 6 mph 74%
10pm Mostly Cloudy 85º 4% ESE 7 mph 75%
11pm Partly Cloudy 85º 4% ESE 8 mph 74%
Fri
Aug 14 		Partly Cloudy
View Hourly 		88º / 83º 24% E 13 mph 72%
12am Partly Cloudy 85º 6% ESE 8 mph 74%
1am Partly Cloudy 85º 4% ESE 9 mph 75%
2am Partly Cloudy 85º 4% ESE 9 mph 76%
3am Mostly Cloudy 85º 7% ESE 9 mph 76%
4am Mostly Cloudy 85º 7% ESE 9 mph 75%
5am Partly Cloudy 85º 8% ESE 9 mph 75%
6am Partly Cloudy 85º 5% ESE 9 mph 74%
7am Partly Cloudy 85º 5% ESE 8 mph 75%
8am Partly Cloudy 85º 14% ESE 8 mph 74%
9am Partly Cloudy 86º 5% ESE 9 mph 70%
10am Partly Cloudy 87º 5% ESE 9 mph 69%
11am Partly Cloudy 87º 5% ESE 8 mph 69%
12pm Partly Cloudy 87º 5% E 8 mph 69%
1pm Partly Cloudy 87º 5% E 9 mph 71%
2pm Partly Cloudy 87º 15% E 10 mph 70%
3pm Partly Cloudy 86º 15% ENE 11 mph 72%
4pm Partly Cloudy 85º 24% E 13 mph 74%
5pm Isolated Thunderstorms 85º 31% E 13 mph 77%
6pm Partly Cloudy 85º 15% ENE 12 mph 74%
7pm Mostly Cloudy 85º 21% E 13 mph 76%
8pm Mostly Cloudy 85º 15% E 13 mph 78%
9pm Mostly Cloudy 84º 15% E 13 mph 78%
10pm Mostly Cloudy 84º 15% E 14 mph 79%
11pm Partly Cloudy 84º 14% ESE 13 mph 79%
Sat
Aug 15 		Partly Cloudy
View Hourly 		88º / 83º 16% ESE 12 mph 71%
12am Partly Cloudy 85º 23% ESE 12 mph 79%
1am Mostly Cloudy 85º 22% ESE 12 mph 79%
2am Partly Cloudy 85º 24% ESE 12 mph 80%
3am Partly Cloudy 85º 24% ESE 11 mph 80%
4am Partly Cloudy 85º 24% ESE 11 mph 79%
5am Partly Cloudy 84º 24% ESE 11 mph 81%
6am Mostly Cloudy 84º 21% ESE 12 mph 81%
7am Mostly Cloudy 84º 17% ESE 12 mph 79%
8am Partly Cloudy 85º 8% ESE 11 mph 78%
9am Partly Cloudy 86º 12% ESE 11 mph 73%
Sun
Aug 16 		Partly Cloudy 89º / 82º 4% E 10 mph 68%
Mon
Aug 17 		Mostly Sunny 89º / 81º 15% ESE 9 mph 69%
Tue
Aug 18 		Partly Cloudy 89º / 81º 17% S 10 mph 70%
Wed
Aug 19 		Partly Cloudy 89º / 82º 18% S 10 mph 70%
Thu
Aug 20 		Partly Cloudy 88º / 82º 15% SSE 10 mph 71%

Weather Radar for Boca Chita Key, Biscayne Bay, FL See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Boca Chita Key, Biscayne Bay, FL

Today
High : 89ºF
Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. A slight chance of showers and thunderstorms between 1pm and 3pm. Bay waters smooth.
Tonight
Low : 84ºF
SE wind 7 to 9 kt. Partly cloudy. Bay waters a light chop.
Friday
High : 89ºF
E wind 6 to 9 kt. Sunny. Bay waters a light chop.
Friday Night
Low : 84ºF
ESE wind around 13 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Bay waters a moderate chop.
Saturday
High : 89ºF
ESE wind 9 to 11 kt. Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Bay waters a light chop.
Saturday Night
Low : 84ºF
E wind 9 to 11 kt. Mostly clear. Bay waters a light chop.
Sunday
High : 89ºF
E wind 7 to 9 kt. Sunny. Bay waters a light chop.
Sunday Night
Low : 84ºF
ESE wind 6 to 9 kt. Mostly clear. Bay waters a light chop.
Monday
High : 89ºF
Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. Sunny. Bay waters smooth.

NOAA Buoy Data Near Boca Chita Key, Biscayne Bay, FL See Map

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    Wind Speed Forecast for Boca Chita Key, Biscayne Bay, FL

    ThursdayFridaySaturday
    Wind Speed (MPH) 27979991012141212
    2pm6pm10pm2am6am10am2pm6pm10pm2am6am10am
    MPH 27979991012141212
    DIR ENEEESEESEESEESEESEEENEEESEESE

    Current Weather Conditions In Boca Chita Key, Biscayne Bay, FL

    As Of: 43 minutes ago

    • 87ºF
    • 98ºF
    • 2mph
    • 0º (ENE)
    • 2mph
    • Partly Cloudy
    • 10mi
    • 30.07"
    • 70%
    • 0ºF

    The weather right now in Boca Chita Key, Biscayne Bay, FL is Partly Cloudy. The current temperature is 87°F, and the expected high and low for today, Thursday, August 13, 2026, are 87° high temperature and 84°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the East Northeast. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 98° Fahrenheit. Expected precipitation is 5 percent, with current humidity at 70 percent, and air pressure at 30.07 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Heat Advisory - 1:42am Thu Aug 13 2026

    ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING...

    WHAT: Heat index values 105-110 expected.

    WHERE: All of South Florida.

    WHEN: From noon today to 7 PM EDT this evening.

    IMPACTS: Hot temperatures and high humidity may cause heat
    illnesses.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Take extra precautions when outside. Wear lightweight and loose
    fitting clothing. Try to limit strenuous activities to early morning
    or evening. Take action when you see symptoms of heat exhaustion and
    heat stroke.

    &&