Daylight through the yearLongest day (Jun 21): 14 h 55 min5:44 am – 8:38 pmShortest day (Dec 21): 9 h 26 min7:24 am – 4:50 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 87°F, lows 67°FColdest month January: highs 42°F, lows 25°F45 in of rain a year, on about 77 dayswettest month May21 in of snow a year, on about 10 days32 days above 90°F, 119 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Wfo Sterling station, 5 mi away; snow from Washington Dc Dulles Ap
Nearby landmarksMason in Loudoun - George Mason University Loudoun Campuscollege · 1.0 miNorthern Virginia Community College - Loudoun Campuscollege · 1.1 miWashington and Old Dominion Railroad Regional Park Sterling / Pacific Boulevard Trailheadpark · 2.2 miWashington and Old Dominion Railroad Regional Park Herndon Trailheadpark · 2.9 miNokes Hillpeak · under a mileLowes Islandisland · 4.1 miSource: USGS Geographic Names Information System
Parks and public landsClaude Moore Parkpark · under a mile · 344 acresWashington and Old Dominion Trailpark · under a mile · 449 acresMckee Beshers Wmastate conservation land · 3.6 mi · 1,971 acresISLANDS OF THE POTOMAC Wildlife Management Area - Islands of the Potomac Wildlandsstate conservation land · 4.2 mi · 457 acresSeneca Creek State Parkstate park · 6.7 miGeorge Washington Memorial Parkwaynational park · 14.9 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes2 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.6 on 16 Jul 201017 mi away, near Barnesville, MarylandMost recent: magnitude 3.0 on 17 Jan 201631 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowLoudoun County, VA, compared with all US countiesHigher-risk hazardsWinter weather Relatively HighLightning Relatively HighStrong wind Relatively HighSource: FEMA National Risk Index (county level)
Air quality81% of days had good air in 2025294 of 365 days measured70 moderate, 1 unhealthy for sensitive groups daysMedian index 40, worst day 120main pollutant: ozoneSource: US EPA Air Quality Index, Loudoun County monitors, VA
Drinking waterLoudoun Water - Central Systemserves 334,808 people from surface waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation325 ft99 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalReston Hospital Center3.8 miPost officeSterling Post Officeunder a mileTown hallHerndon Municipal Center2.8 miPoliceLoudoun County Sheriff's Office Eastern Loudoun Stationunder a mileFire stationSterling Fire Company 11under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi15 schools9 elementary, 2 middle, 3 high, 1 otherHighPark View High Schoolunder a mileElementarySterling Elementary Schoolunder a mileElementaryRolling Ridge Elementary Schoolunder a mileCollegeMason in Loudoun - George Mason University Loudoun Campus1.0 miSource: USGS National Structures Dataset
Getting aroundAirportWashington Dulles International Airport IAD5.6 miInterstateI-6611 miUS highwayUS 508.0 miAmtrakBurke Centre, VA BCV16 miSubwayInnovation Center - North BusbayWashington Metro3.6 miCoachSterling, VA (Dulles Town Center Park and Ride Lot)OurBus2.4 miTransit32 stops within a mileLoudoun County Transit, Fairfax Connector Bus SystemSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 20163 ZIP area.
