Local Forecast

Port Sulphur, LA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Port Sulphur, LA

No Active Alerts

Hour-by-Hour  Current Observation

Tuesday 8:55 PM CDTTuesday 8:55 PM

°F °C
Regional Observations →
87°F

Mostly Cloudy

  • 95° / 80° High / Low
  • 101° Feels Like
  • 0% Chance of Rain

Wind

6 mph

NW

UV Index

0

None

Humidity

77%

Dew 79°F

Sun

6:11 AM · 7:57 PM

Rise · Set

Source: NEW ORLEANS NAS (KNBG). Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

Tonight

80°

Chance of Thunderstorms

Detailed forecast

Tonight

A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Northwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

93° 80°

Thunderstorms

Overnight: Thunderstorms Likely

Detailed forecast

Wednesday

Tropical storm conditions possible. A chance of showers and thunderstorms before 10am, then showers and thunderstorms likely between 10am and 11am, then showers and thunderstorms likely. Mostly cloudy. High near 92, with temperatures falling to around 90 in the afternoon. Heat index values as high as 111. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Night

Tropical storm conditions expected. Showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and midnight, then a chance of showers and thunderstorms between midnight and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 108. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

91° 80°

Chance of Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Thursday

Tropical storm conditions possible. A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 106. Chance of precipitation is 50%.

Night

A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 40%.

Friday

89° 80°

Chance of Scattered Thunderstorms

Overnight: Isolated T-storm

Detailed forecast

Friday

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. Southwest wind around 5 mph. Chance of precipitation is 20%.

Saturday

91° 80°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Saturday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.

Night

Partly cloudy, with a low around 79. Southwest wind 5 to 10 mph.