Weather in Key Biscayne, Florida, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Key Biscayne
Overnight |
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Temperature: 82°F Wind Speed: 8 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 82. South wind around 8 mph. New rainfall amounts less than a tenth of an inch possible. |
Tuesday |
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Temperature: 88°F Wind Speed: 5 to 8 mph Wind Direction: S Forecast: Showers and thunderstorms likely after 11am. Partly sunny, with a high near 88. Heat index values as high as 103. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tuesday Night |
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Temperature: 82°F Wind Speed: 9 mph Wind Direction: NE Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 82. Northeast wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday |
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Temperature: 87°F Wind Speed: 12 mph Wind Direction: E Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 101. East wind around 12 mph. Chance of precipitation is 40%. |
Wednesday Night |
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Temperature: 83°F Wind Speed: 13 to 17 mph Wind Direction: E Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. East wind 13 to 17 mph. Chance of precipitation is 40%. |
Thursday |
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Temperature: 87°F Wind Speed: 16 mph Wind Direction: E Forecast: A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 16 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. |
Thursday Night |
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Temperature: 83°F Wind Speed: 15 to 18 mph Wind Direction: E Forecast: A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely. Partly cloudy, with a low around 83. East wind 15 to 18 mph. Chance of precipitation is 70%. |
Friday |
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Temperature: 87°F Wind Speed: 15 mph Wind Direction: E Forecast: Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 15 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. |
Friday Night |
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Temperature: 83°F Wind Speed: 16 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind around 16 mph. Chance of precipitation is 50%. |
Saturday |
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Temperature: 88°F Wind Speed: 15 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%. |
Saturday Night |
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Temperature: 84°F Wind Speed: 15 mph Wind Direction: E Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 84. Chance of precipitation is 30%. |
Sunday |
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Temperature: 88°F Wind Speed: 14 mph Wind Direction: E Forecast: A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 30%. |
Sunday Night |
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Temperature: 84°F Wind Speed: 15 mph Wind Direction: E Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 84. Chance of precipitation is 30%. |
Monday |
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Temperature: 88°F Wind Speed: 14 mph Wind Direction: E Forecast: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. |