Daylight through the yearLongest day (Jun 21): 15 h 6 min5:21 am – 8:27 pmShortest day (Dec 21): 9 h 15 min7:13 am – 4:28 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 83°F, lows 67°FColdest month January: highs 39°F, lows 25°F46 in of rain a year, on about 76 dayswettest month December32 in of snow a year, on about 13 days8 days above 90°F, 98 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Islip Li Macarthur Ap station, 8 mi away
Nearby landmarksSuffolk County Community College - Michael J Grant Campuscollege · 1.4 miLong Island University Brentwoodcollege · 1.4 miHerman H. and Lillian Harries Sweetwater Farm Preservepark · 3.0 miEdgewood Oak Brush Plains Preservepark · 3.1 miDix Hillspeak · 5.6 miSanford Lakelake · 3.7 miSource: USGS Geographic Names Information System
Parks and public landsBrentwood State Parkstate park · 1.0 mi · 52 acresBishops Tract County Preserverecreation area · under a mileTimberline Parkpark · 1.5 miEdgewood Oak Brush Plains Preservestate conservation land · 2.0 mi · 807 acresBayard Cutting Arboretum State Parkstate park · 4.7 mi · 730 acresSeatuck National Wildlife Refugenational wildlife refuge · 5.1 mi · 211 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes7 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.8 on 21 Oct 198143 mi away, near Madison Center, ConnecticutMost recent: magnitude 3.0 on 3 Aug 202542 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSuffolk County, NY, compared with all US countiesHigher-risk hazardsWinter weather Very HighCoastal flooding Very HighLightning Very HighIce storm Very HighSource: FEMA National Risk Index (county level)
Air quality73% of days had good air in 2025265 of 365 days measured95 moderate, 3 unhealthy for sensitive groups, 2 unhealthy daysMedian index 41, worst day 154main pollutant: ozoneSource: US EPA Air Quality Index, Suffolk County monitors, NY
Drinking waterSuffolk County Water Authorityserves 1,100,000 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation88 ft27 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSouth Shore University Hospital4.1 miPost officeBrentwood Post Officeunder a mileTown hallBrightwaters Village Hall3.8 miPoliceNew York State Police Troop L Zone 2 Brentwood Station1.5 miFire stationBrentwood Fire Stationunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi14 schools8 elementary, 3 middle, 1 high, 2 otherElementaryPine Park Elementary Schoolunder a mileElementaryTwin Pines Elementary Schoolunder a mileHighBrentwood High Schoolunder a mileCollegeSuffolk County Community College - Michael J Grant Campus1.4 miSource: USGS National Structures Dataset
Getting aroundAirportLong Island MacArthur Airport ISP7.9 miMajor airportJohn F. Kennedy International Airport JFK29 miInterstateI-4952.6 miUS highwayUS 123 miAmtrakNew Rochelle, NY NRO29 miRailBrentwoodMTA Long Island Rail Road (MTA LIRR)under a mileCoachRonkonkoma, NY (44 Railroad Ave, Ronkonkoma LIRR station. Bus will stop on the north side of the station.)OurBus7.8 miTransit53 stops within a mileSuffolk County Transit (SCT), MTA Long Island Rail Road (MTA LIRR)Sources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 11717 ZIP area.
