UV Index Today in Mercer County, New Jersey (NJ)

The average maximum UV Index today across 30 locations in Mercer County, New Jersey (NJ), is 9.2. The highest projected maximum is 9.4 in Titusville at 1:00 PM EDT, while the lowest projected maximum is 8.9 in Kingston at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 6.8. The highest projected maximum is 7.1 in Titusville at 1:00 PM EDT, and the lowest projected maximum is 6.5 in Kingston at 1:00 PM EDT.