Warren County, NJ: Current UV Index and Hourly Forecast

• USA →
• New Jersey →
• Warren County

As of 3:23 AM EDT on October 13, 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 0.5 in Hackettstown between 12:00 PM - 1:00 PM EDT 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