Warren County, NJ: Current UV Index and Hourly Forecast

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As of 7:59 AM EST on December 16, 2025, all 33 cities in Warren County, NJ in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Warren County, NJ is expected to be 2.1 in Phillipsburg between 12:00 PM - 1:00 PM EST today.

Search Cities in Warren County, NJ

Current UV Index in Cities in Warren County, NJ

• Alpha - 0
• Anderson - 0
• Asbury - 0
• Beattystown - 0
• Belvidere - 0
• Brainards - 0
• Brass Castle - 0
• Bridgeville - 0
• Broadway - 0
• Brookfield - 0
• Buttzville - 0
• Columbia - 0
• Delaware Park - 0
• Finesville - 0
• Great Meadows - 0
• Hackettstown - 0
• Hainesburg - 0
• Hutchinson - 0
• Johnsonburg - 0
• Lopatcong Overlook - 0
• Marksboro - 0
• Mount Hermon - 0
• Mountain Lake - 0
• New Village - 0
• Panther Valley - 0
• Phillipsburg - 0
• Port Colden - 0
• Port Murray - 0
• Stewartsville - 0
• Upper Pohatcong - 0
• Upper Stewartsville - 0
• Vienna - 0
• Washington - 0