Weather in Port Arthur, Texas, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Arthur
This Afternoon |
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Temperature: 91°F Wind Speed: 10 mph Wind Direction: S Forecast: Sunny, with a high near 91. Heat index values as high as 101. South wind around 10 mph. |
Tonight |
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Temperature: 81°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly clear, with a low around 81. Heat index values as high as 99. South wind 5 to 10 mph. |
Sunday |
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Temperature: 90°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Sunday Night |
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Temperature: 80°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Heat index values as high as 100. South wind 5 to 10 mph. Chance of precipitation is 40%. |
Monday |
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Temperature: 89°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind 5 to 10 mph. Chance of precipitation is 50%. |
Monday Night |
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Temperature: 77°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 77. South wind 5 to 10 mph. Chance of precipitation is 70%. |
Tuesday |
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Temperature: 84°F Wind Speed: 5 mph Wind Direction: S Forecast: Showers and thunderstorms before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. South wind around 5 mph. Chance of precipitation is 90%. |
Tuesday Night |
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Temperature: 78°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 78. South wind 5 to 10 mph. Chance of precipitation is 60%. |
Wednesday |
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Temperature: 88°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. |
Wednesday Night |
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Temperature: 80°F Wind Speed: 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 50%. |
Thursday |
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Temperature: 88°F Wind Speed: 15 mph Wind Direction: S Forecast: Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 60%. |
Thursday Night |
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Temperature: 81°F Wind Speed: 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 50%. |
Juneteenth |
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Temperature: 90°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%. |
Friday Night |
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Temperature: 80°F Wind Speed: 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 80. |