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Gretna, Louisiana Weather

Gretna, 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 Gretna, Jefferson Parish.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Gretna. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Full aviation weather for Gretna is published on the New Orleans NAS JRB/Alvin Callender Field (KNBG) page, 10 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. 6 airfields within reach of Gretna 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 Gretna: Lakefront Airport (KNEW) 14 km · Louis Armstrong New Orleans International Airport (KMSY) 22 km · Slidell Airport (KASD) 53 km · Port of South Louisiana Executive Regional Airport (KAPS) 54 km · South Lafourche Leonard Miller Jr Airport (KGAO) 56 km

Conditions reported at KNBG describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at Gretna specifically, see the current conditions and forecast above.

🌿 Air Quality
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About Gretna, Louisiana

Gretna, a place where the humid air hangs thick and sweet, exhales a character shaped by the slow, wide sweep of the Mississippi River. It lies 3.0 miles east-north-east of Marrero, LA (from Marrero, LA: bearing 69°T), and is situated 3.0 miles south-south-east of New Orleans. The landscape here is a broad, flat canvas, etched with the deep, muddy arteries of bayous and drainage canals that mirror the sky in their glassy stillness. Beyond the dense green of cypress and willow, the sky often stretches an immense, pale blue, occasionally bruised by the dramatic, rumbling passage of thunderheads. The scent of rain-drenched earth mingles with the faint, briny whisper carried inland from the Gulf, a constant reminder of the water's pervasive influence, giving the very air a palpable, almost liquid texture, especially in the languid heat of late afternoon. This stretch of Jefferson Parish carries the quiet hum of a working community, its economy once rooted in the fertile delta soil and the bustling river trade. For generations, Gretna served as a vital link, a transit point where goods and people moved between the east and west banks of the mighty Mississippi. Evidence of its industrial past can still be glimpsed in the sturdy, no-nonsense architecture that lines some of its older streets, a testament to the laborers who built this place. Today, that spirit of industry persists, adapted to modern needs, with a focus on logistics and commerce that leverages its strategic position, while a vibrant cultural mosaic, reflecting the diverse heritage of Louisiana, continues to infuse Gretna with its unique, enduring spirit.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Gretna and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationGretna, Jefferson Parish, Louisiana
Coordinates29.914649°N, 90.05396°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)70053, 70056, 70054
Area Code504
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Gretna, Louisiana Weather Page

This page provides live weather conditions and forecasts for Gretna, 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 Gretna includes coordinates 29.914649°N, 90.053960°W, situated in Jefferson Parish. ZIP code 70053, 70056, 70054. Telephone area code: 504. 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.