UV Index Today in Union County, New Jersey (NJ)
Tuesday, October 13, 2026 -5:24 PM EDT (GMT-4)
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The average maximum UV Index today across 38 locations in Union County, New Jersey (NJ), is 4.8. The highest projected maximum is 4.9 in New Providence at 1:00 PM EDT, while the lowest projected maximum is 4.8 in Newark at 1:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 4.6. The highest projected maximum is 4.8 in Plainfield at 1:00 PM EDT, and the lowest projected maximum is 4.5 in Newark at 1:00 PM EDT.
8 County Subdivisions in Union County, New Jersey (NJ)
Maximum UV Index Today
30 Places in Union County, New Jersey (NJ)
Maximum UV Index Today