UV Index Today in Jefferson County, Texas (TX)

The average maximum UV Index today across 13 locations in Jefferson County, Texas (TX), is 10. The highest projected maximum is 10.8 in Port Arthur at 1:00 PM CDT, while the lowest projected maximum is 9.1 in Winnie at 12:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 10.8. The highest projected maximum is 11 in Beaumont at 1:00 PM CDT, and the lowest projected maximum is 10.6 in Nederland at 1:00 PM CDT.