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

83°F

28°C

Humidity 82%
Wind Speed E 5 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 21 Jun 11:55 pm CDT
Extended Forecast for

Port Sulphur LA

  • Overnight

    Overnight: Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Heat index values as high as 105. Light east wind increasing to 5 to 10 mph in the morning.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 89. Light east wind increasing to 10 to 15 mph in the morning. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 78. East wind 5 to 10 mph.

    Low: 78 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 90. East wind 5 to 15 mph. Chance of precipitation is 80%.

    High: 90 °F

    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light in the evening.

    Low: 78 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind 5 to 10 mph.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Heat index values as high as 105. Light east wind increasing to 5 to 10 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 89. Light east wind increasing to 10 to 15 mph in the morning. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 78. East wind 5 to 10 mph.
Tuesday
Showers and possibly a thunderstorm. High near 90. East wind 5 to 15 mph. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light south wind becoming southeast 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 89.71°W
Last Update:
12:21 am CDT Jun 22, 2025
Forecast Valid:
12am CDT Jun 22, 2025-6pm CDT Jun 28, 2025
 
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Additional Resources

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Chance of Precipitation