Hazardous Weather Conditions
Current conditions at
Miami, Miami International Airport (KMIA)
Lat: 25.79°NLon: 80.32°WElev: 10ft.
A Few Clouds
81°F
27°C
| Humidity | 88% |
| Wind Speed | W 5 mph |
| Barometer | 30.01 in (1016.1 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 19 Aug 6:53 am EDT |
Extended Forecast for
Key Biscayne FL
Heat Advisory August 19, 11:00am until August 19, 07:00pm
Today
High: 92 °F
Sunny then
Slight Chance
T-stormsTonight
Low: 84 °F
Chance
T-storms then
Partly CloudyThursday
High: 90 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 84 °F
Chance
T-storms then
Partly CloudyFriday
High: 90 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 84 °F
Chance
T-storms then
Mostly ClearSaturday
High: 90 °F
Sunny then
Chance
T-stormsSaturday Night

Low: 84 °F
Chance
T-stormsSunday

High: 89 °F
Chance
T-storms
Detailed Forecast
Today
A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 92. Heat index values as high as 106. Northwest wind 5 to 11 mph becoming southeast in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 84. Southwest wind 6 to 10 mph becoming northwest in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 108. Light and variable wind becoming south 6 to 11 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 84. South wind around 9 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. South wind 7 to 11 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 84. South wind 7 to 9 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Southeast wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 84. South wind 7 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 84.
Monday
Sunny, with a high near 89.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 84.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Key Biscayne FL
25.69°N 80.17°W
25.69°N 80.17°W
4:02 am EDT Aug 19, 2026
7am EDT Aug 19, 2026-6pm EDT Aug 25, 2026



