Johnston County, NC: Current UV Index and Hourly Forecast

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As of 4:25 AM EDT on September 19, 2025, all 11 cities in Johnston County, NC 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 Johnston County, NC is expected to be 7 in Smithfield between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Johnston County, NC

• Archer Lodge - 0
• Benson - 0
• Clayton - 0
• Four Oaks - 0
• Kenly - 0
• Micro - 0
• Pine Level - 0
• Princeton - 0
• Selma - 0
• Smithfield - 0
• Wilson's Mills - 0