Warren County, NJ: Current UV Index and Hourly Forecast

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As of 12:56 PM EST on February 24, 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 Johnsonburg, NJ with a reading of 3.2.

Over the next 24 hours, the highest UV Index reading in Warren County, NJ is expected to be 3.2 in Johnsonburg between 12:00 PM - 1:00 PM EST today.

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Current UV Index in Cities in Warren County, NJ

• Alpha - 3
• Anderson - 3
• Asbury - 3
• Beattystown - 3
• Belvidere - 3
• Brainards - 3
• Brass Castle - 3
• Bridgeville - 3
• Broadway - 3
• Brookfield - 3
• Buttzville - 3
• Columbia - 3.2
• Delaware Park - 3
• Finesville - 3.1
• Great Meadows - 3.2
• Hackettstown - 3
• Hainesburg - 3.2
• Hutchinson - 3
• Johnsonburg - 3.2
• Lopatcong Overlook - 3
• Marksboro - 3.2
• Mount Hermon - 3.2
• Mountain Lake - 3
• New Village - 3
• Panther Valley - 3
• Phillipsburg - 3
• Port Colden - 3
• Port Murray - 3
• Stewartsville - 3
• Upper Pohatcong - 3
• Upper Stewartsville - 3
• Vienna - 3
• Washington - 3