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

80°F

27°C

Humidity 82%
Wind Speed SW 7 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Sep 6:53 pm CDT
Extended Forecast for

Hahnville LA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 76. Calm wind.

    Low: 76 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming north around 5 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming east around 5 mph in the morning.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. East wind 5 to 15 mph.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. East wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 76. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind.
Sunday Night
Mostly clear, with a low around 76. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming north around 5 mph.
Monday Night
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny, with a high near 94. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. East wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around 77. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 90. Northeast wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 75. East wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 89. East wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 90. Northeast wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Hahnville LA
 29.98°N 90.43°W
Last Update:
5:51 pm CDT Sep 12, 2026
Forecast Valid:
7pm CDT Sep 12, 2026-6pm CDT Sep 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation