National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

Mostly Cloudy

85°F

29°C

Humidity 46%
Wind Speed NE 7 mph
Barometer 29.97 in (1015.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 26 Sep 2:53 pm CDT
Extended Forecast for

Hahnville LA

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 71. Calm wind.

    Low: 71 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming northwest around 5 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind becoming south around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southeast wind 5 to 15 mph. Chance of precipitation is 40%.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 90. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 72. Calm wind becoming south around 5 mph.
Monday
Sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
Sunny, with a high near 90. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southeast wind 5 to 15 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Southeast wind 5 to 15 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Friday
Showers and possibly a thunderstorm. Mostly sunny, with a high near 88. East wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 5 mph.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Hahnville LA
 29.98°N 90.43°W
Last Update:
2:02 pm CDT Sep 26, 2026
Forecast Valid:
3pm CDT Sep 26, 2026-6pm CDT Oct 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation