UV Index Today in Fairfax County, Virginia (VA) Wednesday, November 4, 2026 -12:17 PM EST (GMT-5) The average maximum UV Index today across 89 locations in Fairfax County, Virginia (VA) , is 3.4. The highest projected maximum is 3.4 in Arlington at 12:00 PM EST, while the lowest projected maximum is 3.4 in Arlington at 12:00 PM EST.
Tomorrow, the average maximum UV Index across those same locations is expected to be 3.1. The highest projected maximum is 3.2 in Arlington at 12:00 PM EST, and the lowest projected maximum is 2.9 in Reston at 12:00 PM EST.
89 Places in Fairfax County, Virginia (VA) Maximum UV Index Today
Brookmont - 3.4
Cabin John - 3.4
Darnestown - 3.4
Potomac - 3.4
Travilah - 3.4
Alexandria - 3.4
Annandale - 3.4
Arlington - 3.4
Bailey's Crossroads - 3.4
Belle Haven - 3.4
Braddock - 3.4
Buckhall - 3.4
Bull Run - 3.4
Burke - 3.4
Burke Centre - 3.4
Centreville - 3.4
Chantilly - 3.4
Crosspointe - 3.4
Difficult Run - 3.4
Dranesville - 3.4
Dunn Loring - 3.4
Fairfax - 3.4
Fairfax Station - 3.4
Fair Lakes - 3.4
Fair Oaks - 3.4
Falls Church - 3.4
Floris - 3.4
Fort Belvoir - 3.4
Fort Hunt - 3.4
Franconia - 3.4
Franklin Farm - 3.4
George Mason - 3.4
Great Falls - 3.4
Great Falls Crossing - 3.4
Greenbriar - 3.4
Groveton - 3.4
Hayfield - 3.4
Herndon - 3.4
Huntington - 3.4
Hutchison - 3.4
Hybla Valley - 3.4
Idylwood - 3.4
Kings Park - 3.4
Kings Park West - 3.4
Kingstowne - 3.4
Lake Barcroft - 3.4
Lake Ridge - 3.4
Laurel Hill - 3.4
Lincolnia - 3.4
Loch Lomond - 3.4
Long Branch - 3.4
Lorton - 3.4
Lowes Island - 3.4
McLean - 3.4
McNair - 3.4
Mantua - 3.4
Mason Neck - 3.4
Merrifield - 3.4
Mount Vernon - 3.4
Navy - 3.4
Newington - 3.4
Newington Forest - 3.4
North Springfield - 3.4
Oak Grove - 3.4
Oakton - 3.4
Occoquan - 3.4
Pimmit Hills - 3.4
Ravensworth - 3.4
Reston - 3.4
Rose Hill - 3.4
Seven Corners - 3.4
South Riding - 3.4
South Run - 3.4
Springfield - 3.4
Sterling - 3.4
Sudley - 3.4
Sugarland Run - 3.4
Sully Square - 3.4
Tysons - 3.4
Union Mill - 3.4
Vienna - 3.4
Wakefield - 3.4
West Falls Church - 3.4
West Springfield - 3.4
Wolf Trap - 3.4
Woodbridge - 3.4
Woodburn - 3.4
Woodlawn - 3.4
Yorkshire - 3.4