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

77°F

25°C

Humidity 94%
Wind Speed SE 6 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Jun 2:55 am CDT
Extended Forecast for

Port Sulphur LA

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 4pm. Mostly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 77. South wind around 5 mph.
Monday
Showers and thunderstorms likely, mainly before 4pm. Mostly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. South wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind around 5 mph.
Juneteenth
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. South wind around 5 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. East wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind around 5 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
Sunday
Showers likely and possibly a thunderstorm. Sunny, with a high near 89. East wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Sulphur LA
 29.48°N 89.69°W
Last Update:
2:36 am CDT Jun 16, 2025
Forecast Valid:
3am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
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Additional Resources

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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