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

39°F

4°C

Humidity 62%
Wind Speed N 5 mph
Barometer 30.32 in (1026.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 31 Dec 2:55 am CST
Extended Forecast for

Port Sulphur LA

  • Overnight

    Overnight: Areas of frost after 5am. Otherwise, mostly clear, with a low around 37. North wind around 5 mph.

    Low: 37 °F

    Areas Frost

  • Wednesday

    Wednesday: Sunny, with a high near 58. North wind around 5 mph becoming west in the afternoon.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. West wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 66. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. Southwest wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. Southwest wind 5 to 15 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before noon. Mostly sunny, with a high near 74. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. North wind around 5 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, mostly clear, with a low around 37. North wind around 5 mph.
Wednesday
Sunny, with a high near 58. North wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. West wind around 5 mph.
New Year's Day
Sunny, with a high near 66. Northwest wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 55. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 72. Southwest wind 5 to 15 mph.
Friday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers, mainly before noon. Mostly sunny, with a high near 74. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 52. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 66. Northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 52. Calm wind.
Monday
Mostly sunny, with a high near 67. Calm wind becoming east around 5 mph.
Monday Night
Partly cloudy, with a low around 55. Calm wind becoming south around 5 mph.
Tuesday
Mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Sulphur LA
 29.5°N 89.71°W
Last Update:
11:31 pm CST Dec 30, 2025
Forecast Valid:
3am CST Dec 31, 2025-6pm CST Jan 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation