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

49°F

9°C

Humidity 47%
Wind Speed N 6 mph
Barometer 30.48 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 11 Jan 10:55 pm CST
Extended Forecast for

Old Jefferson LA

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Northeast wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 54. Northeast wind around 5 mph becoming calm in the morning.

    High: 54 °F

    Areas Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: Areas of frost after 1am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Areas Frost
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Light west wind increasing to 5 to 10 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. Northwest wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Areas of frost before 8am. Otherwise, sunny, with a high near 48. Northwest wind 5 to 10 mph.

    High: 48 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 1am. Otherwise, clear, with a low around 30. Calm wind.

    Low: 30 °F

    Clear then
    Frost

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Northeast wind around 5 mph.
Monday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 54. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
Areas of frost after 1am. Otherwise, mostly clear, with a low around 35. Calm wind.
Tuesday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 57. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly sunny, with a high near 64. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 36. Northwest wind 5 to 10 mph.
Thursday
Areas of frost before 8am. Otherwise, sunny, with a high near 48. Northwest wind 5 to 10 mph.
Thursday Night
Widespread frost, mainly after 1am. Otherwise, clear, with a low around 30. Calm wind.
Friday
Widespread frost before 8am. Otherwise, sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 38. Southwest wind around 5 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 55. Northwest wind around 5 mph.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 33. Northwest wind around 5 mph.
Sunday
Widespread frost. Otherwise, sunny, with a high near 54. Northwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Jefferson LA
 30.36°N 90.99°W
Last Update:
10:03 pm CST Jan 11, 2026
Forecast Valid:
11pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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