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

44°F

7°C

Humidity 94%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 12 Nov 7:15 am CST
Extended Forecast for

Donaldsonville LA

  • Today

    Today: Sunny, with a high near 77. Calm wind becoming south around 5 mph in the morning.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 55. South wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 80. Calm wind becoming south around 5 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Calm wind becoming south around 5 mph in the morning.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 55. South wind around 5 mph becoming calm.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Calm wind.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 55. Calm wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 80. Calm wind becoming south around 5 mph.
Friday Night
Mostly clear, with a low around 56. South wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 61. South wind around 5 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 82. South wind around 5 mph.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 64. South wind around 5 mph.
Tuesday
A chance of showers. Mostly sunny, with a high near 82. Southwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Donaldsonville LA
 30.11°N 91°W
Last Update:
4:51 am CST Nov 12, 2025
Forecast Valid:
7am CST Nov 12, 2025-6pm CST Nov 18, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation