Hillsborough County, NH: Current UV Index and Hourly Forecast

As of 9:18 AM EDT on April 28, 2025, all 7 cities in Hillsborough County, NH in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Nashua, NH with a reading of 2.1.

Over the next 24 hours, the highest UV Index reading in Hillsborough County, NH is expected to be 6.4 in Nashua between 1:00 PM - 2:00 PM EDT today.

Search Cities in Hillsborough County, NH

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Hillsborough County, NH as of 9:18 AM EDT, April 28, 2025

Current UV Index in Cities in Hillsborough County, NH

9:18 AM EDT, April 28, 2025