Middlesex County, NJ: Current UV Index and Hourly Forecast

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As of 7:24 PM EDT on July 18, 2025, all 45 cities in Middlesex County, NJ in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is New Brunswick, NJ with a reading of 0.4.

Over the next 24 hours, the highest UV Index reading in Middlesex County, NJ is expected to be 9.1 in Perth Amboy between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Middlesex County, NJ

• Avenel - 0.4
• Brownville - 0.4
• Carteret - 0.4
• Colonia - 0.4
• Concordia - 0.4
• Dayton - 0.4
• Deans - 0.4
• Dunellen - 0.4
• Encore at Monroe - 0.4
• Fords - 0.4
• Forsgate - 0.4
• Heathcote - 0.4
• Helmetta - 0.4
• Highland Park - 0.4
• Hopelawn - 0.4
• Iselin - 0.4
• Jamesburg - 0.4
• Keasbey - 0.4
• Kendall Park - 0.4
• Laurence Harbor - 0.4
• Madison Park - 0.4
• Menlo Park Terrace - 0.4
• Metuchen - 0.4
• Middlesex - 0.4
• Milltown - 0.4
• Monmouth Junction - 0.4
• Monroe Manor - 0.4
• New Brunswick - 0.4
• Perth Amboy - 0.4
• Plainsboro Center - 0.4
• Port Reading - 0.4
• Princeton Meadows - 0.4
• Regency at Monroe - 0.4
• Renaissance at Monroe - 0.4
• Rossmoor - 0.4
• Rutgers University-Busch Campus - 0.4
• Rutgers University-Livingston Campus - 0.4
• Sayreville - 0.4
• Sewaren - 0.4
• South Amboy - 0.4
• South Plainfield - 0.4
• South River - 0.4
• Spotswood - 0.4
• Stonebridge - 0.4
• Whittingham - 0.4