Port Sulphur, LA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Sulphur, LA in one place.
Mostly sunny. High near 87, with temperatures falling to around 85 in the afternoon. Southwest wind around 5 mph.
Local Weather Overview
This forecast page for Port Sulphur, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 4:22 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Port Sulphur, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 4:22 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Sulphur
Sunday looks like the warmest upcoming period in Port Sulphur at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph E.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 4:22 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LIX
- Radar station
- KLIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 75. Southwest wind 0 to 5 mph.
Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Southwest wind 0 to 5 mph.
Partly cloudy, with a low around 75. Southwest wind 0 to 5 mph.
Mostly sunny, with a high near 88. Southwest wind 0 to 5 mph.
Partly cloudy, with a low around 75. Southwest wind 0 to 5 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. West wind 0 to 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind 0 to 5 mph.
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 5 to 10 mph.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74. East wind around 10 mph.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. East wind 10 to 15 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southeast wind 5 to 15 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Mostly Sunny
|
87°F |
5 mph
SW
|
|
Tonight
May 30
|
Partly Cloudy
|
75°F |
0 to 5 mph
SW
|
|
Sunday
May 31
|
Mostly Sunny
|
88°F |
0 to 5 mph
SW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
75°F |
0 to 5 mph
SW
|
|
Monday
Jun 1
|
Mostly Sunny
|
88°F |
0 to 5 mph
SW
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
75°F |
0 to 5 mph
SW
|
|
Tuesday
Jun 2
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
W
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
75°F |
0 to 5 mph
W
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms
|
85°F |
5 to 10 mph
E
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms
|
74°F |
10 mph
E
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
E
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
75°F |
5 to 10 mph
SE
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
85°F |
5 to 15 mph
SE
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
75°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Sulphur.