Weather in Key Biscayne, Florida, United States

7-Day Detailed Weather Forecast for Key Biscayne

This Afternoon

Temperature: 86°F

Wind Speed: 14 mph

Wind Direction: E

Forecast: A slight chance of showers and thunderstorms. Sunny, with a high near 86. East wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Tonight

Temperature: 82°F

Wind Speed: 14 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 14 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 86°F

Wind Speed: 15 mph

Wind Direction: SE

Forecast: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night

Temperature: 83°F

Wind Speed: 14 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind around 14 mph. Chance of precipitation is 50%.

Juneteenth

Temperature: 86°F

Wind Speed: 13 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Mostly sunny, with a high near 86. Southeast wind around 13 mph. Chance of precipitation is 60%.

Thursday Night

Temperature: 82°F

Wind Speed: 12 mph

Wind Direction: E

Forecast: Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind around 12 mph. Chance of precipitation is 60%.

Friday

Temperature: 86°F

Wind Speed: 10 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 86. East wind around 10 mph. Chance of precipitation is 60%.

Friday Night

Temperature: 82°F

Wind Speed: 12 mph

Wind Direction: E

Forecast: Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind around 12 mph. Chance of precipitation is 60%.

Saturday

Temperature: 86°F

Wind Speed: 14 mph

Wind Direction: E

Forecast: A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 86. East wind around 14 mph. Chance of precipitation is 70%.

Saturday Night

Temperature: 83°F

Wind Speed: 16 mph

Wind Direction: E

Forecast: Showers and thunderstorms likely. Partly cloudy, with a low around 83. Chance of precipitation is 70%.

Sunday

Temperature: 85°F

Wind Speed: 15 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms before 8am, then showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 80%.

Sunday Night

Temperature: 82°F

Wind Speed: 17 mph

Wind Direction: E

Forecast: Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 80%.

Monday

Temperature: 85°F

Wind Speed: 16 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms before 8am, then showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 80%.

Monday Night

Temperature: 82°F

Wind Speed: 17 mph

Wind Direction: E

Forecast: Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 82.