UV Index Today in Jefferson County, Texas (TX)

The average maximum UV Index today across 13 locations in Jefferson County, Texas (TX), is 5.4. The highest projected maximum is 5.5 in Port Arthur at 12:00 PM CST, while the lowest projected maximum is 5.3 in Bevil Oaks at 12:00 PM CST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 5. The highest projected maximum is 5.6 in Port Arthur at 12:00 PM CST, and the lowest projected maximum is 4.2 in Winnie at 11:00 AM CST.