Latest for Donaldsonville: NWS (National Blend (NBM)): 86° Light drizzle · American (NOAA GFS): 90° Clear · European (ECMWF): 81° Drizzle.
Donaldsonville is a small town of about 7,792 people in LA, sitting at 30.1°N in a subtropical climate zone. NWS, American, European each forecast Donaldsonville with their own physics, so we line all three up and flag where they disagree. Nearby towns include Gonzales, Saint Gabriel, Prairieville.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.