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.

Fair

76°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 29.98 in (1015.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 27 Aug 11:55 pm CDT
Extended Forecast for

Port Sulphur LA

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 88. Northwest wind around 5 mph becoming east in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 88. Northwest wind around 5 mph becoming east in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 76. Calm wind.
Saturday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 30%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light east wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 77. Calm wind.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light northeast wind becoming east 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 78. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming east around 5 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 89.71°W
Last Update:
11:25 pm CDT Aug 27, 2026
Forecast Valid:
12am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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Chance of Precipitation