Search
The FOX Weather App Learn More
Fox Weather App on an iPhone, Fox Weather logo overlapping
Fox Weather live
U.S. / FL / Key Biscayne / 33149

Key Biscayne, FL

See Radar

Current Weather Forecast for Key Biscayne

FL 33149  |   4:52pm

Weather Conditions

89°
Feels Like 101°
Sunny
Sunny
82° 91°
UV Index
4
UV Index
Air Quality
Good
Air Quality
Wind
SE 11 mph
Wind
Rain
0 in
rain

Tonight

Wed 8/19
82°
Lowest Temperature
Scattered Showers
87%
Showers and a possible thunderstorm during the evening will give way to mostly cloudy skies after midnight. Low 82F. Winds WSW at 10 to 15 mph. Chance of rain 90%.

Tomorrow

Thu 8/20
88°
Highest Temperature
Mostly Cloudy
24%
Mostly cloudy. A stray shower or thunderstorm is possible. High 88F. Winds SSW at 10 to 15 mph.

Tomorrow night

Thu 8/20
83°
Lowest Temperature
Partly Cloudy
24%
A few clouds. Low 83F. Winds SSW at 5 to 10 mph.

Local Weather Radar - Key Biscayne, FL

Live Key Biscayne Local Radar Forecast by FOX Weather

Next 12 Hours Forecast in Key Biscayne

Hourly Weather Forecast & Temperature

5PM
Sunny
24%
89°
Feels Like 101°
Sunny
Wind
SSE 11 mph
Wind
Pressure
1014 mb
Pressure
Humidity
68%
Humidity
UV Index
4
UV Index
Visibility
10mi
Visibility
Visibility
19%
Cloud Cover
6PM
Thunderstorms
60%
88°
Feels Like 100°
Thunderstorms
Wind
SSE 11 mph
Wind
Pressure
1014 mb
Pressure
Humidity
71%
Humidity
UV Index
1
UV Index
Visibility
6mi
Visibility
Visibility
75%
Cloud Cover
7PM
Showers
81%
87°
Feels Like 99°
Thundershowers
Wind
S 11 mph
Wind
Pressure
1014 mb
Pressure
Humidity
71%
Humidity
UV Index
0
UV Index
Visibility
6mi
Visibility
Visibility
75%
Cloud Cover
8PM
Showers
50%
82°
Feels Like 91°
Showers
Wind
WSW 8 mph
Wind
Pressure
1015 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
76%
Cloud Cover
9PM
Mostly Cloudy
9%
83°
Feels Like 92°
Mostly Cloudy
Wind
W 6 mph
Wind
Pressure
1016 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
71%
Cloud Cover
10PM
Cloudy
3%
83°
Feels Like 91°
Cloudy
Wind
WSW 4 mph
Wind
Pressure
1016 mb
Pressure
Humidity
80%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
82%
Cloud Cover
11PM
Mostly Cloudy
4%
83°
Feels Like 92°
Mostly Cloudy
Wind
WNW 4 mph
Wind
Pressure
1016 mb
Pressure
Humidity
79%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
79%
Cloud Cover
12AM
Partly Cloudy
4%
84°
Feels Like 93°
Partly Cloudy
Wind
W 5 mph
Wind
Pressure
1016 mb
Pressure
Humidity
78%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
58%
Cloud Cover
1AM
Partly Cloudy
8%
84°
Feels Like 93°
Partly Cloudy
Wind
W 4 mph
Wind
Pressure
1016 mb
Pressure
Humidity
79%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
57%
Cloud Cover
2AM
Mostly Cloudy
13%
83°
Feels Like 93°
Mostly Cloudy
Wind
W 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
61%
Cloud Cover
3AM
Mostly Cloudy
12%
83°
Feels Like 93°
Mostly Cloudy
Wind
W 3 mph
Wind
Pressure
1015 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
65%
Cloud Cover
4AM
Mostly Cloudy
11%
83°
Feels Like 93°
Mostly Cloudy
Wind
W 3 mph
Wind
Pressure
1015 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
68%
Cloud Cover
Wed 8/19
Wed
Scattered Showers
87%
82°
91°
Showers early, maybe a rumble of thunder. Lows overnight in the low 80s.
Feels Like
101°
Feels Like
Wind
WSW 11 mph
Wind
Humidity
77%
Humidity
UV Index
0
UV Index
Visibility
6:55 AM
Sunrise
Visibility
7:52 PM
Sunset
Thu 8/20
Thu
Mostly Cloudy
24%
82°
88°
More clouds than sun. Highs in the upper 80s and lows in the low 80s.
Feels Like
100°
Feels Like
Wind
SSW 12 mph
Wind
Humidity
75%
Humidity
UV Index
10
UV Index
Visibility
6:55 AM
Sunrise
Visibility
7:51 PM
Sunset
Fri 8/21
Fri
Partly / Cloudy
20%
83°
88°
Times of sun and clouds. Highs in the upper 80s and lows in the low 80s.
Feels Like
99°
Feels Like
Wind
S 10 mph
Wind
Humidity
73%
Humidity
UV Index
11
UV Index
Visibility
6:56 AM
Sunrise
Visibility
7:50 PM
Sunset
Sat 8/22
Sat
Scattered Showers
36%
82°
88°
Showers ending by midday. Highs in the upper 80s and lows in the low 80s.
Feels Like
99°
Feels Like
Wind
SSE 10 mph
Wind
Humidity
71%
Humidity
UV Index
11
UV Index
Visibility
6:56 AM
Sunrise
Visibility
7:49 PM
Sunset
Sun 8/23
Sun
Scattered Thunderstorms
48%
82°
88°
Afternoon thunderstorms. Highs in the upper 80s and lows in the low 80s.
Feels Like
98°
Feels Like
Wind
SSE 9 mph
Wind
Humidity
72%
Humidity
UV Index
11
UV Index
Visibility
6:57 AM
Sunrise
Visibility
7:48 PM
Sunset
Mon 8/24
Mon
Partly / Cloudy
24%
82°
88°
Times of sun and clouds. Highs in the upper 80s and lows in the low 80s.
Feels Like
98°
Feels Like
Wind
ESE 9 mph
Wind
Humidity
71%
Humidity
UV Index
11
UV Index
Visibility
6:57 AM
Sunrise
Visibility
7:47 PM
Sunset
Tue 8/25
Tue
Scattered Thunderstorms
35%
82°
87°
Morning showers and thunderstorms. Highs in the upper 80s and lows in the low 80s.
Feels Like
97°
Feels Like
Wind
ESE 10 mph
Wind
Humidity
73%
Humidity
UV Index
11
UV Index
Visibility
6:58 AM
Sunrise
Visibility
7:46 PM
Sunset
Wed 8/26
Wed
Scattered Thunderstorms
47%
82°
87°
Morning showers and thunderstorms. Highs in the upper 80s and lows in the low 80s.
Feels Like
97°
Feels Like
Wind
ESE 10 mph
Wind
Humidity
74%
Humidity
UV Index
11
UV Index
Visibility
6:58 AM
Sunrise
Visibility
7:46 PM
Sunset
Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.
Download the App

Looking for homes in this area?

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from Florida

Loading...