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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 30.45°N 91.18°W (Text-Only)
NWS Forecast for: Port Allen LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 11:30 pm CST Dec 4, 2025		Print

  • Overnight

    Overnight: A slight chance of showers between 3am and 4am. Cloudy, with a low around 44. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers


  • Friday

    Friday: A 40 percent chance of showers after 11am. Cloudy, with a high near 49. North wind around 5 mph becoming calm in the afternoon.

    High: 49 °F

    Chance
    Showers


  • Friday
    Night

    Friday Night: A chance of showers before 9pm, then a chance of showers after midnight. Cloudy, with a low around 47. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers


  • Saturday

    Saturday: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 58. Calm wind becoming east around 5 mph.

    High: 58 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming calm.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. North wind 5 to 10 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 55. North wind 5 to 10 mph.

    High: 55 °F

    Sunny



  • Monday
    Night

    Monday Night: Mostly clear, with a low around 36. North wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear



    • Overnight: A slight chance of showers between 3am and 4am. Cloudy, with a low around 44. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Friday: A 40 percent chance of showers after 11am. Cloudy, with a high near 49. North wind around 5 mph becoming calm in the afternoon.

    Friday Night: A chance of showers before 9pm, then a chance of showers after midnight. Cloudy, with a low around 47. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Saturday: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 58. Calm wind becoming east around 5 mph.

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming calm.

    Sunday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.

    Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. North wind 5 to 10 mph.

    Monday: Sunny, with a high near 55. North wind 5 to 10 mph.

    Monday Night: Mostly clear, with a low around 36. North wind around 5 mph becoming calm in the evening.

    Tuesday: Sunny, with a high near 58. Calm wind.

    Tuesday Night: Mostly clear, with a low around 40. Calm wind.

    Wednesday: Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the morning.

    Wednesday Night: Mostly clear, with a low around 49. Southwest wind around 5 mph becoming north after midnight.

    Thursday: Sunny, with a high near 65. North wind around 5 mph becoming south in the afternoon.


    Port Allen LA
     30.45°N 91.18°W

    Visit your local NWS office at: https://www.weather.gov/lix