Warren County, NJ: Current UV Index and Hourly Forecast

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As of 3:30 PM EDT on April 1, 2025, all 33 cities in Warren County, NJ in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Phillipsburg, NJ with a reading of 3.9.

Over the next 24 hours, the highest UV Index reading in Warren County, NJ is expected to be 4.6 in Hackettstown between 12:00 PM - 1:00 PM EDT tomorrow.

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Current UV Index in Cities in Warren County, NJ

• Alpha - 3.9
• Anderson - 3.8
• Asbury - 3.8
• Beattystown - 3.8
• Belvidere - 3.8
• Brainards - 3.9
• Brass Castle - 3.8
• Bridgeville - 3.8
• Broadway - 3.8
• Brookfield - 3.8
• Buttzville - 3.8
• Columbia - 3.8
• Delaware Park - 3.9
• Finesville - 3.9
• Great Meadows - 3.8
• Hackettstown - 3.8
• Hainesburg - 3.8
• Hutchinson - 3.8
• Johnsonburg - 3.8
• Lopatcong Overlook - 3.9
• Marksboro - 3.8
• Mount Hermon - 3.8
• Mountain Lake - 3.8
• New Village - 3.8
• Panther Valley - 3.8
• Phillipsburg - 3.9
• Port Colden - 3.8
• Port Murray - 3.8
• Stewartsville - 3.8
• Upper Pohatcong - 3.9
• Upper Stewartsville - 3.8
• Vienna - 3.8
• Washington - 3.8