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.

Mostly Cloudy

91°F

33°C

Humidity 56%
Wind Speed NE 9 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 29 Aug 12:55 pm CDT
Extended Forecast for

Port Sulphur LA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. Northeast wind around 10 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 77. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 5 mph becoming south after midnight.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light northeast wind becoming east 5 to 10 mph in the morning.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. Northeast wind around 10 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 77. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 5 mph becoming south after midnight.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light northeast wind becoming east 5 to 10 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Sulphur LA
 29.5°N 89.69°W
Last Update:
1:25 pm CDT Aug 29, 2026
Forecast Valid:
1pm CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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Chance of Precipitation