Current conditions at
Miami, Miami International Airport (KMIA)
Lat: 25.79°NLon: 80.32°WElev: 10ft.
Mostly Cloudy
76°F
24°C
| Humidity | 94% |
| Wind Speed | N 6 mph |
| Barometer | 29.97 in (1014.7 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 76°F (24°C) |
| Last update | 18 Sep 7:53 pm EDT |
Extended Forecast for
Key Biscayne FL
Tonight
Low: 81 °F
Chance
T-stormsSaturday
High: 87 °F
Chance
T-storms then
T-storms
LikelySaturday Night
Low: 79 °F
Showers
LikelySunday
High: 87 °F
Chance
T-storms then
T-stormsSunday Night
Low: 80 °F
Showers
Monday
High: 87 °F
Showers
Likely then
T-stormsMonday Night
Low: 81 °F
T-storms then
Showers
LikelyTuesday
High: 88 °F
Showers
Likely then
T-stormsTuesday Night
Low: 81 °F
T-storms then
Showers
Likely
Detailed Forecast
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 81. North wind 5 to 7 mph becoming east in the evening.
Saturday
Showers and thunderstorms likely, mainly between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 87. North wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 79. East wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 80. Southeast wind around 6 mph. Chance of precipitation is 80%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 87. South wind 5 to 9 mph. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 81. South wind 8 to 10 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. South wind around 8 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 81. South wind around 8 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 87. Chance of precipitation is 90%.
Wednesday Night
Showers and thunderstorms. Low around 80. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms. High near 87. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms. Low around 80. Chance of precipitation is 80%.
Friday
Showers and thunderstorms. High near 87. Chance of precipitation is 80%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Key Biscayne FL
25.69°N 80.15°W
25.69°N 80.15°W
4:06 pm EDT Sep 18, 2026
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
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