National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

New Orleans Naval Air Station - Alvin Callender Field (KNBG)

Lat: 29.84°NLon: 90.02°WElev: 0ft.

A Few Clouds

76°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in (1013.6 mb)
Dewpoint 76°F (24°C)
Visibility 7.00 mi
Heat Index75°F (24°C)
Last update 10 Sep 11:55 pm CDT
Extended Forecast for

Port Sulphur LA

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 76. Calm wind becoming west around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between noon and 5pm. Mostly sunny, with a high near 88. West wind around 5 mph becoming south in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 77. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 76. Calm wind becoming west around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly between noon and 5pm. Mostly sunny, with a high near 88. West wind around 5 mph becoming south in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 77. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 77. Calm wind.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light northeast wind becoming east 5 to 10 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 77. East wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind 5 to 15 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. East wind around 5 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind 5 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Sulphur LA
 29.5°N 89.71°W
Last Update:
12:36 am CDT Sep 11, 2026
Forecast Valid:
12am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation