Port Sulphur, LA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Port Sulphur, LA in one place.
A slight chance of showers and thunderstorms before 5pm. Mostly cloudy. High near 87, with temperatures falling to around 85 in the afternoon. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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: Jul 14, 2026 6:13 PM CDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Port Sulphur, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 6:13 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Sulphur
Friday looks like the warmest upcoming period in Port Sulphur at 92 degrees F.
Tonight is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 10 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 6:13 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
Mostly cloudy, with a low around 76. Southwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms between 11am and noon. Partly sunny. High near 90, with temperatures falling to around 88 in the afternoon. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 78. Southwest wind 0 to 5 mph.
Sunny, with a high near 91. Southwest wind 0 to 5 mph.
Partly cloudy, with a low around 78. Southwest wind 0 to 5 mph.
Mostly sunny, with a high near 92. West wind around 5 mph.
Partly cloudy, with a low around 79. West wind 5 to 10 mph.
Mostly sunny, with a high near 92. Northwest wind 5 to 10 mph.
Partly cloudy, with a low around 79. West wind 5 to 10 mph.
Mostly sunny, with a high near 92. West wind 5 to 10 mph.
Partly cloudy, with a low around 79. West wind 5 to 10 mph.
A slight chance of showers and thunderstorms between 7am and 1pm. Sunny, with a high near 92. West wind 5 to 10 mph.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. West wind 5 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 14
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 mph
W
|
|
Tonight
Jul 14
|
Mostly Cloudy
|
76°F |
0 to 5 mph
SW
|
|
Wednesday
Jul 15
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
90°F |
0 to 5 mph
S
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
78°F |
0 to 5 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
0 to 5 mph
SW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
78°F |
0 to 5 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny
|
92°F |
5 mph
W
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
79°F |
5 to 10 mph
W
|
|
Saturday
Jul 18
|
Mostly Sunny
|
92°F |
5 to 10 mph
NW
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
79°F |
5 to 10 mph
W
|
|
Sunday
Jul 19
|
Mostly Sunny
|
92°F |
5 to 10 mph
W
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
79°F |
5 to 10 mph
W
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
92°F |
5 to 10 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
79°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Sulphur.
