Weather in Port Sulphur, LA
Updated 2026-09-26 09:00 local time · ZIP codes 70083
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
80°5% rain
83°13% rain84°11% rain85°11% rain86°11% rain86°11% rain85°12% rain84°12% rain82°13% rain81°14% rain
78°16% rain77°16% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 16%).
It feels like 82°F with winds near 5 mph.
80°F, 5% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 80°F, wind 5 mph, rain chance up to 16%.
UV index is 1.
Local weather characteristics in Port Sulphur
Louisiana is warm, humid and rainy, with hot summers, mild winters, frequent thunderstorms and exposure to tropical storms and hurricanes near the Gulf Coast.
Port Sulphur is part of the South weather region. The forecast point is near 29.48°N latitude and 89.69°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Port Sulphur weather today
Partly Cloudy and 80°F in Port Sulphur, LA. Today's high is 86°F with a 12% rain chance. Winds are around 5 mph with gusts near 7 mph. Relative humidity is 61%, pressure is 30.03 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Sulphur
Sunrise is at 06:49 AM and sunset is at 06:50 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 72°F. The maximum rain chance is 7%.