10-Day Weather Forecast - Port Arthur, TX

Sunny. Highs around 80. South winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph.

Mostly sunny. Highs around 80. Southeast winds 5 to 10 mph.

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

Mostly clear. Lows in the upper 50s. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s. Highs in the upper 70s.

Mostly clear. Low temperature around 60F. Dew point will be around 46F with an average humidity of 55%. Winds will be 6 mph from the NE.

Sunny. High temperature around 73F. Dew point will be around 58F with an average humidity of 70%. Winds will be 6 mph from the E.

Mostly clear. Low temperature around 65F. Dew point will be around 62F with an average humidity of 82%. Winds will be 6 mph from the SE.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 74F. Dew point will be around 64F with an average humidity of 79%. Winds will be 8 mph from the SE.

Clear. Low temperature around 68F. Dew point will be around 64F with an average humidity of 84%. Winds will be 9 mph from the SE.

Partly cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 74F. Dew point will be around 66F with an average humidity of 81%. Winds will be 9 mph from the SE.

Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 69F. Dew point will be around 66F with an average humidity of 87%. Winds will be 8 mph from the SE.