Union, Louisiana Weather
Union, Louisiana — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Union, St. James Parish.
Tides, marine forecast and fishing conditions near Union. Tide source:
Flight conditions near Union. Data source: locating…
Soil conditions, frost risk and crop weather for Union.
About Union, Louisiana
Union unfolds as a broad, sun-drenched landscape where the rich, dark earth presses close to the sky, a place where the air itself seems to hold the scent of damp soil and the distant hum of unseen insects. It lies 15.4 miles south-south-east of Prairieville, LA (from Prairieville, LA: bearing 165°T), and is situated 5.4 miles east of Donaldsonville. Immense live oaks, their branches draped with Spanish moss like ancient, sorrowful beards, punctuate the flat expanse, offering islands of shade in the pervasive Louisiana heat. The terrain here is a testament to the gentle, persistent work of water, a land shaped by slow-moving bayous and the occasional, generous swell of the Mississippi River, its presence felt more as a vast, unseen force than a visible boundary. The light at dusk can be astonishing, a molten gold that spills across the fields and softens the edges of the world, making the very air feel thick and palpable. This is a land where history is layered like sediment, each stratum whispering tales of its past. Union's economy has long been tethered to the bounty of its soil, a heritage deeply rooted in agriculture. For generations, sugarcane has been king, its tall, verdant stalks a familiar sight stretching to the horizon, a symbol of enduring labor and a sweet, potent yield. The echoes of the past are not confined to the fields; they are felt in the quiet dignity of the old plantation homes that still stand, weathered but proud, and in the enduring traditions of a community that has learned to thrive amidst the cycles of nature and the changing currents of time. The gentle flow of the nearby waterways, vital arteries for transport and sustenance, also carries a subtle narrative of trade and connection, linking Union to the broader currents of Louisiana's story.
Live animated radar for Union 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 | Union, St. James Parish, Louisiana |
| Coordinates | 30.087144°N, 90.904819°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 70723 |
| Area Code | 985 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Union, Louisiana Weather Page
This page provides live weather conditions and forecasts for Union, Louisiana, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Union includes coordinates 30.087144°N, 90.904819°W, situated in St. James Parish. ZIP code 70723. 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. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.
