7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Saint Lucie
This Afternoon |
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Temperature: 95°F Wind Speed: 5 mph Wind Direction: ESE Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Heat index values as high as 103. East southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tonight |
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Temperature: 74°F Wind Speed: 0 to 5 mph Wind Direction: WNW Forecast: A chance of showers and thunderstorms before 9pm, then showers and thunderstorms likely between 9pm and 10pm, then a slight chance of showers and thunderstorms between 10pm and 11pm. Partly cloudy, with a low around 74. West northwest wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday |
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Temperature: 95°F Wind Speed: 0 to 5 mph Wind Direction: NNW Forecast: A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 95. Heat index values as high as 103. North northwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday Night |
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Temperature: 75°F Wind Speed: 0 to 5 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South southwest wind 0 to 5 mph. Chance of precipitation is 20%. |
Thursday |
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Temperature: 95°F Wind Speed: 0 to 5 mph Wind Direction: NNW Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. North northwest wind 0 to 5 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 76°F Wind Speed: 0 to 5 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South southeast wind 0 to 5 mph. Chance of precipitation is 20%. |
Friday |
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Temperature: 95°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. South wind 0 to 5 mph. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 76°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South wind 0 to 5 mph. Chance of precipitation is 30%. |
Saturday |
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Temperature: 95°F Wind Speed: 0 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. South wind 0 to 10 mph. Chance of precipitation is 50%. |
Saturday Night |
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Temperature: 75°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South wind 5 to 10 mph. Chance of precipitation is 50%. |
Sunday |
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Temperature: 94°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. South southwest wind 5 to 10 mph. Chance of precipitation is 50%. |
Sunday Night |
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Temperature: 75°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South southwest wind 5 to 10 mph. Chance of precipitation is 50%. |
Monday |
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Temperature: 94°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. South wind 5 to 10 mph. Chance of precipitation is 40%. |
Monday Night |
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Temperature: 76°F Wind Speed: 0 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South wind 0 to 10 mph. |

