Northumberland County, PA: Current UV Index and Hourly Forecast

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As of 3:08 PM EST on March 4, 2026, all 24 cities in Northumberland County, PA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Milton, PA with a reading of 1.5.

Over the next 24 hours, the highest UV Index reading in Northumberland County, PA is expected to be 1.5 in Milton between 3:00 PM - 4:00 PM EST today.

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Current UV Index in Cities in Northumberland County, PA

• Atlas - 1.1
• Dalmatia - 0.7
• Dewart - 1.5
• Elysburg - 1.1
• Fairview-Ferndale - 1.1
• Herndon - 0.9
• Kapp Heights - 1.5
• Kulpmont - 1.1
• Marion Heights - 1.1
• Marshallton - 1.1
• McEwensville - 1.5
• Milton - 1.5
• Montandon - 1.5
• Mount Carmel - 1.1
• Northumberland - 1.5
• Ranshaw - 1.1
• Riverside - 1.5
• Shamokin - 1.1
• Strong - 1.1
• Sunbury - 0.9
• Tharptown - 1.1
• Trevorton - 0.9
• Turbotville - 1.5
• Watsontown - 1.5