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.

Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 57°F (14°C)
Visibility 0.75 mi
Last update 22 Jan 6:55 am CST
Extended Forecast for

Port Sulphur LA

  • Today

    Today: Mostly sunny, with a high near 71. Calm wind becoming southeast around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 67. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 55. Northeast wind 5 to 10 mph.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. East wind around 10 mph becoming southeast in the afternoon.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. South wind around 10 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 63. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 33. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 71. Calm wind becoming southeast around 5 mph.
Tonight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm.
Friday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 67. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 55. Northeast wind 5 to 10 mph.
Saturday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. East wind around 10 mph becoming southeast in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. South wind around 10 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 63. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 33. North wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 49. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 38. North wind around 10 mph.
Tuesday
Sunny, with a high near 54. Northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 45. Northeast wind around 5 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 60. Northeast wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Sulphur LA
 29.48°N 89.69°W
Last Update:
5:29 am CST Jan 22, 2026
Forecast Valid:
7am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation