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

72°F

22°C

Humidity 94%
Wind Speed S 13 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Feb 12:55 am CST
Extended Forecast for

Port Sulphur LA

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, cloudy, with a steady temperature around 67. Southwest wind around 5 mph.

    Low: 67 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of showers between noon and 1pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 78 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Widespread dense fog, mainly after 4am. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy
    then Dense
    Fog

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 3pm. Widespread dense fog, mainly before 9am. Otherwise, partly sunny, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers and
    Dense Fog

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. North wind 10 to 15 mph.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. North wind 5 to 10 mph.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, cloudy, with a steady temperature around 67. Southwest wind around 5 mph.
Friday
A slight chance of showers between noon and 1pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. South wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
Widespread dense fog, mainly after 4am. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph.
Saturday
A chance of showers, with thunderstorms also possible after 3pm. Widespread dense fog, mainly before 9am. Otherwise, partly sunny, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 62. North wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 42. North wind around 10 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 59. North wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 38. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 60. Northeast wind around 5 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 46. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 70. South wind 5 to 15 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 59. South wind around 5 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 73. South wind 5 to 15 mph.
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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:
12:39 am CST Feb 20, 2026
Forecast Valid:
1am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
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Additional Resources

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Chance of Precipitation