Weather in Key Biscayne, Florida, United States

7-Day Detailed Weather Forecast for Key Biscayne

Overnight

Temperature: 78°F

Wind Speed: 12 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Northeast wind around 12 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Sunday

Temperature: 87°F

Wind Speed: 13 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Northeast wind around 13 mph. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 inches possible.

Sunday Night

Temperature: 80°F

Wind Speed: 7 to 13 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms before 5am, then showers and thunderstorms likely. Mostly cloudy, with a low around 80. Northeast wind 7 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Monday

Temperature: 87°F

Wind Speed: 8 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 11am, then showers and thunderstorms likely between 11am and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. East wind around 8 mph. Chance of precipitation is 60%.

Monday Night

Temperature: 80°F

Wind Speed: 8 mph

Wind Direction: E

Forecast: Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. East wind around 8 mph. Chance of precipitation is 60%.

Tuesday

Temperature: 87°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 87. Southeast wind around 7 mph. Chance of precipitation is 60%.

Tuesday Night

Temperature: 81°F

Wind Speed: 6 mph

Wind Direction: E

Forecast: Showers and thunderstorms likely. Partly cloudy, with a low around 81. East wind around 6 mph. Chance of precipitation is 60%.

Wednesday

Temperature: 87°F

Wind Speed: 7 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 7 mph. Chance of precipitation is 50%.

Wednesday Night

Temperature: 80°F

Wind Speed: 6 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80. East wind around 6 mph. Chance of precipitation is 50%.

Thursday

Temperature: 88°F

Wind Speed: 7 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

Thursday Night

Temperature: 80°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80. Chance of precipitation is 40%.

Friday

Temperature: 88°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Friday Night

Temperature: 80°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 30%.

Saturday

Temperature: 88°F

Wind Speed: 9 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 88.