10-Day Weather Forecast - Port Arthur, TX

Widespread frost in the morning. Sunny. Highs in the lower 60s. West winds 5 to 10 mph.

Mostly clear. Not as cool with lows in the mid 40s. Southwest winds 5 to 10 mph.

Mostly sunny. Highs around 70. Southwest winds 5 to 10 mph.

Mostly cloudy. Not as cool and more humid. Near steady temperature in the lower 60s. Temperature rising into the mid 60s after midnight. South winds 5 to 10 mph.

Mostly sunny. Highs in the mid 70s.

Mostly clear. Lows in the mid 50s. Highs in the lower 70s.

Mostly clear. Lows in the mid 50s. Highs in the lower 70s.

Mostly clear. Lows in the mid 50s. Highs in the lower 70s.

Mostly clear. Lows in the mid 50s. Highs in the lower 70s.

Mostly clear. Lows in the mid 50s. Highs in the lower 70s.

Mostly sunny. Highs in the mid 70s.

Mostly cloudy. Lows in the upper 50s. Highs in the lower 70s.

Mostly cloudy. Lows in the upper 50s. Highs in the lower 70s.

Clear. Low temperature around 58F. Dew point will be around 57F with an average humidity of 84%. Winds will be 1 mph from the NW.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 65F. Dew point will be around 51F with an average humidity of 68%. Winds will be 2 mph from the NW.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 49F with an average humidity of 74%. Winds will be 2 mph from the NE.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 61F. Dew point will be around 47F with an average humidity of 66%. Winds will be 3 mph from the SE.

Mostly clear. Low temperature around 56F. Dew point will be around 51F with an average humidity of 79%. Winds will be 4 mph from the E.