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

25°C

77°F

Humidity 90%
Wind Speed Calm
Barometer 1017.2 mb (30.04 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 30 Jun 8:55 pm CDT
Extended Forecast for

Port Sulphur LA

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 30%.

    Low: 26 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31. West wind 10 to 15 km/h. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 31 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 26. Southwest wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Low: 26 °C

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 32. West wind 10 to 15 km/h. Chance of precipitation is 60%.

    High: 32 °C

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 26. West wind 5 to 10 km/h.

    Low: 26 °C

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33. Northwest wind around 10 km/h.

    High: 33 °C

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °C

    Slight Chance
    Showers

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 33. Northwest wind 5 to 10 km/h becoming east in the afternoon.

    High: 33 °C

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers after 1am. Mostly clear, with a low around 27. Calm wind.

    Low: 27 °C

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31. West wind 10 to 15 km/h. New rainfall amounts between 7.5 mm and 1 cm possible.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 26. Southwest wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 32. West wind 10 to 15 km/h. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 26. West wind 5 to 10 km/h.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33. Northwest wind around 10 km/h.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 26. Calm wind.
Independence Day
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 33. Northwest wind 5 to 10 km/h becoming east in the afternoon.
Friday Night
A slight chance of showers after 1am. Mostly clear, with a low around 27. Calm wind.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 33. North wind 5 to 10 km/h becoming east in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 27. Southeast wind 5 to 10 km/h becoming northeast after midnight.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Northeast wind 5 to 15 km/h.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 26. East wind 5 to 10 km/h.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 31. East wind 5 to 15 km/h becoming south 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:
6:20 pm CDT Jun 30, 2025
Forecast Valid:
9pm CDT Jun 30, 2025-6pm CDT Jul 7, 2025
 
Forecast Discussion
 
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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