Passaic County, NJ: Current UV Index and Hourly Forecast

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As of 4:28 PM EDT on August 6, 2025, all 23 cities in Passaic County, NJ in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Upper Greenwood Lake, NJ with a reading of 2.3.

Over the next 24 hours, the highest UV Index reading in Passaic County, NJ is expected to be 7.8 in Clifton between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Passaic County, NJ

• Bloomingdale - 1.4
• Clifton - 1.6
• Great Notch - 1.6
• Haledon - 1.4
• Hawthorne - 1.4
• Hewitt - 1.8
• Macopin - 1.7
• Montclair State University - 1.6
• Newfoundland - 1.7
• North Haledon - 1.4
• Packanack Lake - 1.4
• Passaic - 1.6
• Paterson - 1.4
• Pines Lake - 1.4
• Pompton Lakes - 1.4
• Preakness - 1.4
• Prospect Park - 1.4
• Ringwood - 1.4
• Singac - 1.4
• Totowa - 1.4
• Upper Greenwood Lake - 2.3
• Wanaque - 1.4
• William Paterson University of New Jersey - 1.4