10-Day Weather Forecast - Port Arthur, TX

Widespread dense fog in the morning. Sunny. Highs in the upper 70s. East winds 5 to 10 mph becoming southeast in the afternoon.

Partly cloudy in the evening then becoming mostly clear. Lows in the upper 50s. Southeast winds around 5 mph.

Sunny. Highs in the mid 70s. Southeast winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Mostly sunny. Highs in the upper 70s.

Mostly cloudy. Lows in the mid 60s. Highs in the upper 70s.

Mostly cloudy. Lows in the mid 60s. Highs in the upper 70s.

Mostly cloudy. Lows in the mid 60s. Highs in the upper 70s.

Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

Mostly cloudy. Lows in the mid 60s. Highs in the upper 70s.

Mostly cloudy. Lows in the mid 60s. Highs in the upper 70s.

Mostly cloudy. Lows in the mid 60s. Highs in the upper 70s.

Mostly cloudy in the morning then partly sunny with a chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 69F with an average humidity of 93%. Winds will be 8 mph from the SE.

Sunny with a 75% chance for rain and thunderstorms. High temperature around 75F. Dew point will be around 69F with an average humidity of 86%. Winds will be 10 mph from the SE.

Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 68F with an average humidity of 92%. Winds will be 9 mph from the SE.

Mostly cloudy with a 75% chance for rain and thunderstorms. High temperature around 73F. Dew point will be around 68F with an average humidity of 89%. Winds will be 10 mph from the SE.

Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 68F with an average humidity of 91%. Winds will be 11 mph from the SE.