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Jefferson, Louisiana Weather Forecast
Jefferson, Louisiana Weather
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Click for Dense Fog Advisory for Jefferson, Louisiana
Click for Dense Fog Advisory for Jefferson, Louisiana
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Weather Forecast for Jefferson, Louisiana : Jefferson County
Issued: 1:43 pm CST Dec 25, 2025 Latitude: 29.9660371 Longitude: -90.1531298 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday New Year's Day
Morning Fog on Tonight Morning Fog on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 40% chance of thunderstorms on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on New Year's Day
Low: 61°F High: 77°F High: 78°F High: 77°F High: 69°F High: 49°F High: 53°F High: 58°F
Low: 62°F Low: 62°F Low: 59°F Low: 36°F Low: 36°F Low: 40°F  
Morning Fog Morning Fog Mostly Sunny Mostly Sunny Thunderstorms Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
NEW ORLEANS INTL - (KMSY)
73°
Mostly Clear
as of 2:53 PM CST
Rel. Humidity: 69%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
0° North
Cloud Level(s): Few at 3500ft
Current Conditions at
LAKEFRONT ARPT - (KNEW)
64°
Mostly Clear
as of 3:00 PM CST
Rel. Humidity: 88%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Few at 100ft
Current Conditions at
NEW ORLEANS NAS - (KNBG)
79°
Clear
as of 2:55 PM CST
Rel. Humidity: 54%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
SLIDELL - (KASD)
75°
Clear
as of 2:53 PM CST
Rel. Humidity: 57%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Clear
Morning Fog on Tonight Tonight... Widespread dense fog, mainly after 3am. Otherwise, increasing clouds, with a low around 61. South wind around 5 mph.
Morning Fog on Friday Friday... Widespread dense fog before 9am. Otherwise, mostly sunny, with a high near 77. Southwest wind 5 to 10 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the morning.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 62. South wind around 5 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 77. South wind 5 to 10 mph.
40% chance of rain Sunday Night Sunday Night... A 40 percent chance of showers after midnight. Partly cloudy, with a low around 59. South wind 5 to 10 mph becoming southwest after midnight.
40% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. West wind 10 to 15 mph becoming north in the afternoon. Chance of precipitation is 40%.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 36. North wind around 15 mph, with gusts as high as 30 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 49. North wind 5 to 15 mph, with gusts as high as 25 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36. North wind around 5 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 53. North wind around 5 mph becoming northwest in the afternoon.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 40. Calm wind becoming northwest around 5 mph.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 58. North wind around 5 mph becoming east in the afternoon.
Current Radar Image


Sun Almanac for Jefferson, Louisiana
Sunrise: 06:54 AM
Sunset: 5:08 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:34 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:33 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.