Northumberland County, PA: Current UV Index and Hourly Forecast

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As of 1:53 PM EDT on April 14, 2026, out of 24 cities in Northumberland County, PA in our database, 14 cities (58%) have a UV Index reading of Very High, 9 cities (38%) have a UV Index reading of Moderate, while 1 city (4%) have a UV Index reading of High. The city with the highest UV Index reading right now is Shamokin, PA with a reading of 8.

Over the next 24 hours, the highest UV Index reading in Northumberland County, PA is expected to be 8 in Shamokin between 1:00 PM - 2:00 PM EDT today.

Search Cities in Northumberland County, PA

Current UV Index in Cities in Northumberland County, PA

• Atlas - 8
• Dalmatia - 7.4
• Dewart - 4.6
• Elysburg - 8
• Fairview-Ferndale - 8
• Herndon - 7.5
• Kapp Heights - 4.6
• Kulpmont - 8
• Marion Heights - 8
• Marshallton - 8
• McEwensville - 4.6
• Milton - 4.6
• Montandon - 4.6
• Mount Carmel - 8
• Northumberland - 4.6
• Ranshaw - 8
• Riverside - 4.6
• Shamokin - 8
• Strong - 8
• Sunbury - 7.5
• Tharptown - 8
• Trevorton - 7.5
• Turbotville - 4.6
• Watsontown - 4.6