Merrimack County, NH: Current UV Index and Hourly Forecast

As of 10:48 PM EDT on August 8, 2025, all 6 cities in Merrimack County, NH 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 Merrimack County, NH is expected to be 7.7 in Franklin between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Merrimack County, NH

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Merrimack County, NH as of 10:48 PM EDT, August 8, 2025

Current UV Index in Cities in Merrimack County, NH

10:48 PM EDT, August 8, 2025