Daylight through the yearLongest day (Jun 21): 14 h 4 min5:59 am – 8:04 pmShortest day (Dec 21): 10 h 13 min6:51 am – 5:05 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 92°F, lows 76°FColdest month January: highs 63°F, lows 45°F66 in of rain a year, on about 78 dayswettest month JulySnow is rare90 days above 90°F, 7 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Terrytown 3s station, 1 mi away
Nearby landmarksLouisiana State University School of Medicinecollege · 3.2 miHoly Cross Collegecollege · 3.3 miAlgiers Pointcape · 2.6 miFrench Quartervisitor center · 2.7 miNew Orleans Jazz NHPvisitor center · 2.9 miShingle Pointcape · 5.8 miSource: USGS Geographic Names Information System
Parks and public landsMel Ott Parkpark · under a mileTerrytown Playgroundpark · 1.3 miChalmette Battlefieldstate historic site · 3.8 mi · 143 acresBayou Segnette State Parkstate park · 6.3 mi · 579 acresJean Lafitte National Historical Park and Preservehistoric site · 6.2 mi · 16,609 acresBayou Saint Johnstate conservation land · 6.0 mi · 121 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes1 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.0 on 20 Dec 200546 mi away, near French Settlement, LouisianaMost recent: magnitude 3.0 on 20 Dec 200546 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighJefferson Parish, LA, compared with all US countiesHigher-risk hazardsHurricane Very HighLightning Very HighCoastal flooding Very HighHeat wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality62% of days had good air in 2025227 of 365 days measured137 moderate, 1 unhealthy for sensitive groups daysMedian index 47, worst day 101main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Jefferson County monitors, LA
Drinking waterGretna Waterworksserves 17,026 people from surface waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation0 ft0 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSaint Charles Surgical Hospital2.1 miPost officeGretna Finance Post Officeunder a mileTown hallGretna City Hallunder a milePoliceGretna Police Departmentunder a mileFire stationDavid Crockett Steam Fire Company Number 1 Station 48under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi28 schools7 elementary, 1 middle, 4 high, 16 otherElementaryWilliam Hart Elementary Schoolunder a mileElementaryGretna Number 2 Academy For Advanced Studiesunder a mileHighThomas Jefferson Academy For Advanced Studiesunder a mileCollegeLouisiana State University School of Medicine3.2 miSource: USGS National Structures Dataset
Getting aroundAirportLouis Armstrong New Orleans International Airport MSY14 miInterstateI-103.1 miUS highwayUS 90 Busunder a mileAmtrakUnion Passenger Terminal NOL2.5 miLight railJulia StationNew Orleans Regional Transit Authority (NORTA)2.0 miCoachNew Orleans Bus StationFlixBus2.6 miTransit47 stops within a mileJefferson Transit, New Orleans Regional Transit Authority (NORTA)Sources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 70054 ZIP area.
