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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 29.94°N 89.96°W (Text-Only)
NWS Forecast for: Chalmette LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 12:01 am CDT Jun 30, 2026		Print

  • Overnight

    Overnight: Clear, with a low around 80. South wind around 5 mph becoming calm.

    Low: 80 °F

    Clear


  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming north around 5 mph.

    High: 95 °F

    Hot


  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 81. Southeast wind around 5 mph becoming calm.

    Low: 81 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 81. East wind around 5 mph becoming calm in the evening.

    Low: 81 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Light east wind increasing to 5 to 10 mph in the morning.

    High: 92 °F

    Chance
    T-storms

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 80. Southeast wind around 5 mph becoming calm in the evening.

    Low: 80 °F

    Mostly Clear


  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 80. South wind around 5 mph becoming calm in the evening.

    Low: 80 °F

    Mostly Clear


    • Overnight: Clear, with a low around 80. South wind around 5 mph becoming calm.

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming north around 5 mph.

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 81. Southeast wind around 5 mph becoming calm.

    Wednesday: A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 81. East wind around 5 mph becoming calm in the evening.

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Light east wind increasing to 5 to 10 mph in the morning.

    Thursday Night: Mostly clear, with a low around 80. Southeast wind around 5 mph becoming calm in the evening.

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

    Friday Night: Mostly clear, with a low around 80. South wind around 5 mph becoming calm in the evening.

    Independence Day: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

    Saturday Night: Mostly clear, with a low around 80. South wind around 5 mph becoming calm in the evening.

    Sunday: Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    Sunday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 80. South wind around 5 mph becoming calm after midnight.

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.


    Chalmette LA
     29.94°N 89.96°W

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