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

79°F

26°C

Humidity 94%
Wind Speed W 5 mph
Barometer 29.92 in (1013.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Sep 4:53 am CDT
Extended Forecast for

Jefferson LA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms, mainly before 3pm. High near 89. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 4pm. High near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northwest wind around 5 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Northwest wind around 5 mph becoming east in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Calm wind.
Friday
Showers and thunderstorms, mainly before 3pm. High near 89. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms, mainly before 4pm. High near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm.
Labor Day
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Northwest wind around 5 mph becoming east in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.97°N 90.17°W
Last Update:
2:31 am CDT Sep 4, 2026
Forecast Valid:
5am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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