10-Day Weather Forecast - Port Sulphur, LA

Mostly sunny. A slight chance of showers in the afternoon. Highs around 80. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Showers likely with a slight chance of thunderstorms in the evening then showers with a chance of thunderstorms after midnight. Breezy and much cooler with lows in the upper 40s. South winds 10 to 15 mph increasing to west 20 to 25 mph with gusts up to 35 mph after midnight. Chance of rain 90 percent.

Mostly cloudy with a slight chance of showers in the morning then mostly sunny in the afternoon. Breezy and much cooler with highs in the lower 60s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.

Mostly cloudy. Lows in the lower 40s. Highs in the upper 50s.

Mostly cloudy. Lows in the lower 40s. Highs in the upper 50s.

Mostly clear. Lows in the upper 40s. Highs in the mid 60s.

Mostly clear. Lows in the upper 40s. Highs in the mid 60s.

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

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

Mostly clear. Lows in the upper 50s.

Sunny. Highs in the mid 70s.

Clear. Low temperature around 63F. Dew point will be around 60F with an average humidity of 82%. Winds will be 7 mph from the W.

Sunny. High temperature around 78F. Dew point will be around 62F with an average humidity of 73%. Winds will be 6 mph from the W.

Clear. Low temperature around 63F. Dew point will be around 62F with an average humidity of 82%. Winds will be 6 mph from the SW.

Sunny. High temperature around 78F. Dew point will be around 63F with an average humidity of 74%. Winds will be 3 mph from the SW.

Clear. Low temperature around 64F. Dew point will be around 62F with an average humidity of 84%. Winds will be 5 mph from the SW.

Sunny. High temperature around 77F. Dew point will be around 63F with an average humidity of 75%. Winds will be 4 mph from the S.

Clear. Low temperature around 65F. Dew point will be around 64F with an average humidity of 86%. Winds will be 4 mph from the S.