National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Fair

73°F

23°C

Humidity 42%
Wind Speed S 5 mph
Barometer 30.05 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 13 Mar 4:35 pm CDT
Extended Forecast for

Old Jefferson LA

  • Tonight

    Tonight: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Southeast wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81. South wind 5 to 15 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 44. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 44 °F

    Showers

  • Monday

    Monday: Mostly sunny, with a high near 52. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. North wind 5 to 10 mph becoming light after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Calm wind becoming north around 5 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Northeast wind around 5 mph becoming calm.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 49. Calm wind.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 58. Southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 81. South wind 5 to 15 mph.
Sunday Night
Showers and possibly a thunderstorm. Low around 44. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Monday
Mostly sunny, with a high near 52. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 33. North wind 5 to 10 mph becoming light after midnight.
Tuesday
Mostly sunny, with a high near 57. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 40. Northeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 47. South wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 76. Calm wind becoming southwest around 5 mph.
Thursday Night
Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Jefferson LA
 30.36°N 90.99°W
Last Update:
12:31 pm CDT Mar 13, 2026
Forecast Valid:
4pm CDT Mar 13, 2026-6pm CDT Mar 20, 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