UV Index Today in Johnston County, North Carolina (NC)

The average maximum UV Index today across 30 locations in Johnston County, North Carolina (NC), is 7.8. The highest projected maximum is 7.8 in Clayton at 1:00 PM EDT, while the lowest projected maximum is 7.8 in Clayton at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 7. The highest projected maximum is 7.2 in Clayton at 1:00 PM EDT, and the lowest projected maximum is 6.9 in Cleveland at 1:00 PM EDT.