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.

A Few Clouds

81°F

27°C

Humidity 77%
Wind Speed E 5 mph
Barometer 30.06 in (1018.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 9 Aug 9:53 pm CDT
Extended Forecast for

Jefferson LA

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind around 5 mph becoming calm.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly between 10am and 5pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 92. Heat index values as high as 108. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind 5 to 10 mph becoming light southwest after midnight.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 78. South wind around 5 mph becoming calm.
Monday
A 50 percent chance of showers and thunderstorms, mainly between 10am and 5pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 92. Heat index values as high as 108. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Thursday
Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph becoming light southwest after midnight.
Friday
Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm after midnight.
Sunday
Sunny and hot, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.95°N 90.19°W
Last Update:
5:10 pm CDT Aug 9, 2026
Forecast Valid:
10pm CDT Aug 9, 2026-6pm CDT Aug 16, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation