UV Index Today in Fairfax County, Virginia (VA) Friday, May 22, 2026 -2:40 PMEDT (GMT-4) The average maximum UV Index today across 89 locations in Fairfax County, Virginia (VA) , is 0.6. The highest projected maximum is 0.9 in Arlington at 12:00 PM EDT, while the lowest projected maximum is 0.5 in Alexandria at 11:00 AM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 0.7. The highest projected maximum is 0.7 in Alexandria at 2:00 PM EDT, and the lowest projected maximum is 0.6 in Arlington at 1:00 PM EDT.
89 Places in Fairfax County, Virginia (VA) Maximum UV Index Today
Brookmont - 0.8
Cabin John - 0.8
Darnestown - 0.8
Potomac - 0.8
Travilah - 0.8
Alexandria - 0.5
Annandale - 0.5
Arlington - 0.9
Bailey's Crossroads - 0.5
Belle Haven - 0.5
Braddock - 0.5
Buckhall - 0.5
Bull Run - 0.5
Burke - 0.5
Burke Centre - 0.5
Centreville - 0.5
Chantilly - 0.8
Crosspointe - 0.5
Difficult Run - 0.8
Dranesville - 0.8
Dunn Loring - 0.8
Fairfax - 0.5
Fairfax Station - 0.5
Fair Lakes - 0.5
Fair Oaks - 0.5
Falls Church - 0.8
Floris - 0.8
Fort Belvoir - 0.5
Fort Hunt - 0.5
Franconia - 0.5
Franklin Farm - 0.8
George Mason - 0.5
Great Falls - 0.8
Great Falls Crossing - 0.8
Greenbriar - 0.5
Groveton - 0.5
Hayfield - 0.5
Herndon - 0.8
Huntington - 0.5
Hutchison - 0.8
Hybla Valley - 0.5
Idylwood - 0.8
Kings Park - 0.5
Kings Park West - 0.5
Kingstowne - 0.5
Lake Barcroft - 0.5
Lake Ridge - 0.5
Laurel Hill - 0.5
Lincolnia - 0.5
Loch Lomond - 0.5
Long Branch - 0.5
Lorton - 0.5
Lowes Island - 0.8
McLean - 0.8
McNair - 0.8
Mantua - 0.5
Mason Neck - 0.5
Merrifield - 0.5
Mount Vernon - 0.5
Navy - 0.8
Newington - 0.5
Newington Forest - 0.5
North Springfield - 0.5
Oak Grove - 0.8
Oakton - 0.8
Occoquan - 0.5
Pimmit Hills - 0.8
Ravensworth - 0.5
Reston - 0.8
Rose Hill - 0.5
Seven Corners - 0.5
South Riding - 0.8
South Run - 0.5
Springfield - 0.5
Sterling - 0.8
Sudley - 0.5
Sugarland Run - 0.8
Sully Square - 0.8
Tysons - 0.8
Union Mill - 0.5
Vienna - 0.8
Wakefield - 0.5
West Falls Church - 0.5
West Springfield - 0.5
Wolf Trap - 0.8
Woodbridge - 0.5
Woodburn - 0.5
Woodlawn - 0.5
Yorkshire - 0.5