UV Index Today in Fairfax County, Virginia (VA) Saturday, August 15, 2026 -2:58 AM EDT (GMT-4) The average maximum UV Index today across 89 locations in Fairfax County, Virginia (VA) , is 7.9. The highest projected maximum is 8 in Reston at 1:00 PM EDT, while the lowest projected maximum is 7.7 in Centreville at 1:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 6.4. The highest projected maximum is 7.4 in Centreville at 2:00 PM EDT, and the lowest projected maximum is 5.1 in Alexandria at 1:00 PM EDT.
89 Places in Fairfax County, Virginia (VA) Maximum UV Index Today
Brookmont - 8
Cabin John - 8
Darnestown - 8
Potomac - 8
Travilah - 8
Alexandria - 7.8
Annandale - 7.8
Arlington - 7.9
Bailey's Crossroads - 7.8
Belle Haven - 7.8
Braddock - 7.8
Buckhall - 7.7
Bull Run - 7.7
Burke - 7.8
Burke Centre - 7.8
Centreville - 7.7
Chantilly - 8
Crosspointe - 7.8
Difficult Run - 8
Dranesville - 8
Dunn Loring - 8
Fairfax - 7.8
Fairfax Station - 7.8
Fair Lakes - 7.7
Fair Oaks - 7.8
Falls Church - 8
Floris - 8
Fort Belvoir - 7.8
Fort Hunt - 7.8
Franconia - 7.8
Franklin Farm - 8
George Mason - 7.8
Great Falls - 8
Great Falls Crossing - 8
Greenbriar - 7.7
Groveton - 7.8
Hayfield - 7.8
Herndon - 8
Huntington - 7.8
Hutchison - 8
Hybla Valley - 7.8
Idylwood - 8
Kings Park - 7.8
Kings Park West - 7.8
Kingstowne - 7.8
Lake Barcroft - 7.8
Lake Ridge - 7.8
Laurel Hill - 7.8
Lincolnia - 7.8
Loch Lomond - 7.7
Long Branch - 7.8
Lorton - 7.8
Lowes Island - 8
McLean - 8
McNair - 8
Mantua - 7.8
Mason Neck - 7.8
Merrifield - 7.8
Mount Vernon - 7.8
Navy - 8
Newington - 7.8
Newington Forest - 7.8
North Springfield - 7.8
Oak Grove - 8
Oakton - 8
Occoquan - 7.8
Pimmit Hills - 8
Ravensworth - 7.8
Reston - 8
Rose Hill - 7.8
Seven Corners - 7.8
South Riding - 8
South Run - 7.8
Springfield - 7.8
Sterling - 8
Sudley - 7.7
Sugarland Run - 8
Sully Square - 8
Tysons - 8
Union Mill - 7.7
Vienna - 8
Wakefield - 7.8
West Falls Church - 7.8
West Springfield - 7.8
Wolf Trap - 8
Woodbridge - 7.8
Woodburn - 7.8
Woodlawn - 7.8
Yorkshire - 7.7