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: 81°F Wind Speed: 6 mph Wind Direction: W Forecast: Mostly clear, with a low around 81. West wind around 6 mph. |
Thursday |
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Temperature: 88°F Wind Speed: 6 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after noon. Mostly sunny. High near 88, with temperatures falling to around 84 in the afternoon. Heat index values as high as 100. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
Thursday Night |
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Temperature: 80°F Wind Speed: 6 mph Wind Direction: NW Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 80. Northwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
Friday |
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Temperature: 87°F Wind Speed: 8 mph Wind Direction: N Forecast: A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 11am, then showers and thunderstorms between 11am and 5pm, then showers and thunderstorms. Partly sunny, with a high near 87. North wind around 8 mph. Chance of precipitation is 80%. |
Friday Night |
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Temperature: 79°F Wind Speed: 9 mph Wind Direction: N Forecast: Showers and thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and 11pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 79. North wind around 9 mph. Chance of precipitation is 80%. |
Saturday |
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Temperature: 85°F Wind Speed: 10 mph Wind Direction: NE Forecast: Showers and thunderstorms likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Northeast wind around 10 mph. Chance of precipitation is 60%. |
Saturday Night |
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Temperature: 79°F Wind Speed: 9 mph Wind Direction: NE Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 79. Northeast wind around 9 mph. Chance of precipitation is 60%. |
Sunday |
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Temperature: 86°F Wind Speed: 9 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind around 9 mph. Chance of precipitation is 40%. |
Sunday Night |
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Temperature: 80°F Wind Speed: 8 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Northeast wind around 8 mph. Chance of precipitation is 40%. |
Monday |
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Temperature: 87°F Wind Speed: 7 to 10 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%. |
Monday Night |
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Temperature: 81°F Wind Speed: 10 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 40%. |
Tuesday |
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Temperature: 87°F Wind Speed: 9 to 14 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%. |
Tuesday Night |
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Temperature: 81°F Wind Speed: 14 mph Wind Direction: E Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 40%. |
Wednesday |
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Temperature: 86°F Wind Speed: 15 mph Wind Direction: E Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 86. |