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.

Overcast

70°F

21°C

Humidity 84%
Wind Speed E 13 mph
Barometer 30.23 in (1023.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 29 Mar 7:53 pm CDT
Extended Forecast for

Jefferson LA

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. East wind 5 to 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers before 7pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am. Partly sunny, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Partly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 5 to 15 mph. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 67. East wind 5 to 10 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A slight chance of showers before 7pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am. Partly sunny, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Partly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 5 to 15 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Southeast wind 5 to 15 mph.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.97°N 90.17°W
Last Update:
5:26 pm CDT Mar 29, 2026
Forecast Valid:
8pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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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