Weather in Port Arthur, Texas, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Arthur
Overnight |
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Temperature: 77°F Wind Speed: 5 mph Wind Direction: W Forecast: Partly cloudy, with a low around 77. West wind around 5 mph. |
Thursday |
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Temperature: 93°F Wind Speed: 5 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms after noon. Partly sunny. High near 93, with temperatures falling to around 89 in the afternoon. Heat index values as high as 99. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 75°F Wind Speed: 0 to 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 3am, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy. Low around 75, with temperatures rising to around 79 overnight. Heat index values as high as 97. Southwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible. |
Friday |
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Temperature: 86°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: Showers and thunderstorms before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. |
Friday Night |
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Temperature: 78°F Wind Speed: 5 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southwest wind around 5 mph. Chance of precipitation is 60%. |
Saturday |
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Temperature: 91°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. |
Saturday Night |
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Temperature: 79°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 30%. |
Sunday |
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Temperature: 92°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 92. South wind 5 to 10 mph. |
Sunday Night |
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Temperature: 79°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 79. South wind 5 to 10 mph. |
Monday |
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Temperature: 93°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 93. |
Monday Night |
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Temperature: 79°F Wind Speed: 0 to 10 mph Wind Direction: S Forecast: Mostly clear, with a low around 79. |
Tuesday |
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Temperature: 93°F Wind Speed: 0 to 10 mph Wind Direction: S Forecast: Sunny, with a high near 93. |
Tuesday Night |
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Temperature: 78°F Wind Speed: 0 to 10 mph Wind Direction: SW Forecast: Mostly clear, with a low around 78. |
Wednesday |
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Temperature: 95°F Wind Speed: 0 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 95. |