Donaldsonville, Louisiana Weather
Donaldsonville, Louisiana — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Donaldsonville, Ascension Parish.
Tides, marine forecast and fishing conditions near Donaldsonville. Tide source:
Full aviation weather for Donaldsonville is published on the Louisiana Regional Airport (KREG) page, 9 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 4 airfields within reach of Donaldsonville have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Donaldsonville: Port of South Louisiana Executive Regional Airport (KAPS) 40 km · Baton Rouge Metropolitan Airport (KBTR) 50 km · Harry P Williams Memorial Airport (KPTN) 55 km
Conditions reported at KREG describe the airfield itself. Weather 9 km away can differ, particularly in terrain or near the coast. For conditions at Donaldsonville specifically, see the current conditions and forecast above.
About Donaldsonville, Louisiana
Donaldsonville rises from the fertile alluvial plains where the Amite and Mississippi Rivers converge, a place where the land itself breathes moisture and the air hangs thick with the scent of damp earth and blooming magnolias. It lies 14.0 miles south of Prairieville, LA (from Prairieville, LA: bearing 185°T), and is situated 9.8 miles south-west of Sorrento. Cypress knees, gnarled like ancient knuckles, emerge from the shallow, dark waters that lace the periphery, reflecting a sky that shifts from the pale blue of morning to the bruised purples and fiery oranges of an approaching storm. Live oaks, draped in Spanish moss, stand as stoic sentinels along the riverbanks, their branches reaching out as if to embrace the slow, deliberate flow of the great river. The town itself possesses a quiet dignity, a collection of weathered brick buildings and brightly painted clapboard houses that seem to have settled comfortably into the landscape, their colors softened by the relentless Louisiana sun. This venerable settlement, born of commerce and strategic positioning, carries the weight of its history in the very layout of its streets and the stories whispered on the humid breeze. Donaldsonville once served as the state capital, a brief but significant chapter in its long narrative, and the echoes of that ambition can still be felt in the grand old houses that line its historic district. Today, its economy is tied to the broader agricultural bounty of Ascension Parish – sugarcane fields stretching to the horizon, their emerald stalks a testament to generations of hard work. The river remains its lifeblood, a constant presence that shapes the rhythm of life, offering both passage and sustenance, and the gentle lapping of its waters against the levee is a perpetual soundtrack to the unfolding days in Donaldsonville.
Live animated radar for Donaldsonville and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Donaldsonville, Ascension Parish, Louisiana |
| Coordinates | 30.101032°N, 90.992877°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 70346 |
| Area Code | 985 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Donaldsonville, Louisiana Weather Page
This page provides live weather conditions and forecasts for Donaldsonville, Louisiana, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Donaldsonville includes coordinates 30.101032°N, 90.992877°W, situated in Ascension Parish. ZIP code 70346. Telephone area code: 985. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
