Donaldsonville, LA Weather Forecast
Ascension Parish, Louisiana
Live radar, warnings and storm tracking for Donaldsonville, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Donaldsonville
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Donaldsonville, LA at a glance
Donaldsonville is home to about 6,860 people in Ascension Parish, across 3.8 square miles. It ranks 48th by population of 105 places in Louisiana with a forecast here. The nearest neighbour with its own forecast is Gonzales, 9 miles away.
- County
- Ascension Parish
- Population
- 6,860 2023 est.
- Land area
- 3.8 sq mi
- People per sq mi
- 1,816
- Forecast point
- 30.0951°N, 90.9925°W
How well can the network see Donaldsonville?
The nearest Doppler radar is KHDC (Hammond, LA), to the NE. Its lowest scan passes about 3,100 ft above Donaldsonville. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KREG (Gonzales/Louisiana Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Donaldsonville
- Gonzales, LA9 mi
- St. Gabriel, LA13 mi
- Lutcher, LA17 mi
- Gramercy, LA18 mi
- Plaquemine, LA20 mi
- Thibodaux, LA23 mi
- Addis, LA25 mi
- Baton Rouge, LA25 mi
Elsewhere in Louisiana
New OrleansBaton RougeShreveportLafayetteLake CharlesKennerAll Louisiana forecasts →