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

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 26 Aug 6:55 am CDT
Extended Forecast for

Port Sulphur LA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, with a high near 93. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 3pm. High near 90. Calm wind becoming west around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 70%.

    Low: 75 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 89. Calm wind becoming northwest around 5 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming northeast around 5 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, with a high near 93. Northwest wind around 5 mph becoming southeast in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Thursday
Showers and thunderstorms, mainly before 3pm. High near 90. Calm wind becoming west around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 89. Calm wind becoming northwest around 5 mph. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming northeast around 5 mph in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
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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:
5:20 am CDT Aug 26, 2026
Forecast Valid:
7am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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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