Current conditions at
Miami, Miami International Airport (KMIA)
Lat: 25.79°NLon: 80.32°WElev: 10ft.
Mostly Cloudy
84°F
29°C
| Humidity | 70% |
| Wind Speed | S 6 mph |
| Barometer | 30.02 in (1016.5 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 21 Aug 6:53 pm EDT |
Extended Forecast for
Key Biscayne FL
Tonight
Low: 84 °F
Slight Chance
T-storms then
Mostly ClearSaturday
High: 90 °F
Mostly Sunny
then Slight
Chance
T-stormsSaturday Night
Low: 84 °F
Slight Chance
T-storms then
Partly CloudySunday
High: 89 °F
Chance
T-stormsSunday Night
Low: 84 °F
Partly Cloudy
Monday
High: 89 °F
Mostly Sunny
Monday Night
Low: 84 °F
Partly Cloudy
Tuesday
High: 89 °F
Chance
T-stormsTuesday Night
Low: 84 °F
Chance
T-storms
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 84. South wind 6 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 84. South wind 7 to 10 mph.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Sunny, with a high near 89. Heat index values as high as 103. Southwest wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 84. Southeast wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 89. East wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 84. East wind 7 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 89. East wind 8 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 84. East wind 10 to 13 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 84.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 84.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Key Biscayne FL
25.69°N 80.17°W
25.69°N 80.17°W
6:02 pm EDT Aug 21, 2026
7pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
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