10-Day Weather Forecast - Port Arthur, TX
Weekend Weather
- 86|79°F50% Chance of StormsHourly details
Today
86°FMostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 50 percent.
Tonight
79°FMostly cloudy. A slight chance of showers and thunderstorms in the evening then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 80s. South winds 10 to 15 mph. Chance of rain 40 percent.
- 87|82°FPartly SunnyHourly details
Day
87°FPartly sunny. Humid with highs in the upper 80s. South winds 10 to 15 mph.
Night
82°FPartly cloudy. Humid with lows in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph.
- 88|81°FSunnyHourly details
Day
88°FSunny with highs around 90. South winds 10 to 15 mph. Heat index values up to 105.
Night
81°FPartly cloudy. Lows in the lower 80s. Highs around 90. Heat index values up to 105.
- 89|80°FPartly CloudyHourly details
Day
89°FPartly cloudy. Lows in the lower 80s. Highs around 90. Heat index values up to 105.
Night
80°FMostly clear. Lows in the upper 70s. Highs in the lower 90s. Heat index values up to 105.
- 91|79°FMostly SunnyHourly details
Day
91°FMostly clear. Lows in the upper 70s. Highs in the lower 90s. Heat index values up to 105.
Night
79°FPartly cloudy. Lows in the upper 70s. Highs around 90.
- 89|80°FPartly CloudyHourly details
Day
89°FPartly cloudy. Lows in the upper 70s. Highs around 90.
Night
80°FMostly clear. Lows in the upper 70s. Highs in the upper 80s.
- 87|81°FMostly Sunny
Day
87°FMostly clear. Lows in the upper 70s. Highs in the upper 80s.
Night
81°FMostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 81F. Dew point will be around 76F with an average humidity of 82%. Winds will be 9 mph from the S.
Weekend Weather
- 88|81°F30% Chance of Rain
Day
88°FMostly sunny with a 25% chance for rain and thunderstorms. High temperature around 88F. Dew point will be around 76F with an average humidity of 72%. Winds will be 11 mph from the S.
Night
81°FClear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 81F. Dew point will be around 76F with an average humidity of 80%. Winds will be 9 mph from the S.
- 88|82°F40% Chance of Rain
Day
88°FSunny with a 35% chance for rain and thunderstorms. High temperature around 88F. Dew point will be around 76F with an average humidity of 74%. Winds will be 11 mph from the S.
Night
82°FClear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 82F. Dew point will be around 76F with an average humidity of 80%. Winds will be 10 mph from the S.
- 89|80°F30% Chance of Rain
Day
89°FSunny with a 30% chance for rain and thunderstorms. High temperature around 89F. Dew point will be around 76F with an average humidity of 72%. Winds will be 11 mph from the S.
Night
80°FClear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 80F. Dew point will be around 76F with an average humidity of 81%. Winds will be 9 mph from the S.













