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.

Mostly Cloudy

81°F

27°C

Humidity 74%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 23 Aug 8:15 pm CDT
Extended Forecast for

Donaldsonville LA

  • Tonight

    Tonight: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Calm wind becoming east around 5 mph in the morning.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. East wind around 5 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. East wind around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny and hot, with a high near 96. Calm wind becoming east around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. East wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 89. East wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. East wind around 5 mph becoming calm.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donaldsonville LA
 30.11°N 91°W
Last Update:
2:16 pm CDT Aug 23, 2025
Forecast Valid:
8pm CDT Aug 23, 2025-6pm CDT Aug 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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