Weather Forecast for
Port Arthur, TX

This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 102. South wind around 10 mph.

Tonight: Mostly clear, with a low around 78. South wind 5 to 10 mph becoming light after midnight.

Saturday: Mostly sunny, with a high near 91. Heat index values as high as 100. Light south wind increasing to 5 to 10 mph in the morning.

Saturday Night: Partly cloudy, with a low around 80. South wind 5 to 10 mph.

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 40%.

Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 79. South wind 5 to 10 mph.

Monday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%.

Monday Night: Showers and possibly a thunderstorm. Low around 76. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.

Tuesday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 84. West wind around 5 mph. Chance of precipitation is 90%.

Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 77.

Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Wednesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80.

Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

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