10-Day Weather Forecast - Port Arthur, TX

Mostly cloudy with a chance of sprinkles in the morning then mostly sunny in the afternoon. Not as cool with highs in the mid 60s. Northeast winds around 5 mph becoming southeast in the afternoon.

Mostly cloudy. Near steady temperature in the upper 50s. Temperature rising to around 60 after midnight. South winds around 5 mph.

Partly sunny in the morning then clearing. Highs in the mid 70s. West winds 5 to 10 mph.

Mostly clear. Cooler. Less humid with lows in the lower 40s. North winds 10 to 15 mph.

Mostly clear. Highs around 60. Lows in the upper 30s.

Mostly clear. Highs around 60. Lows in the upper 30s.

Mostly clear. Highs around 60. Lows in the upper 30s.

Mostly clear. Lows in the upper 40s. Highs in the lower 70s.

Mostly clear. Lows in the upper 40s. Highs in the lower 70s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.

Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Clear. Low temperature around 52F. Dew point will be around 48F with an average humidity of 76%. Winds will be 5 mph from the NE.

Sunny. High temperature around 56F. Dew point will be around 45F with an average humidity of 69%. Winds will be 6 mph from the E.

Clear. Low temperature around 50F. Dew point will be around 45F with an average humidity of 77%. Winds will be 5 mph from the E.

Mostly cloudy. High temperature around 60F. Dew point will be around 50F with an average humidity of 77%. Winds will be 5 mph from the E.

Partly cloudy. Low temperature around 54F. Dew point will be around 51F with an average humidity of 85%. Winds will be 4 mph from the E.