Grafton County, NH: Current UV Index and Hourly Forecast

As of 9:29 AM EDT on August 29, 2025, all 5 cities in Grafton County, NH in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is North Haverhill, NH with a reading of 0.8.

Over the next 24 hours, the highest UV Index reading in Grafton County, NH is expected to be 3.9 in Lebanon between 3:00 PM - 4:00 PM EDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Grafton County, NH as of 9:29 AM EDT, August 29, 2025

Current UV Index in Cities in Grafton County, NH

9:29 AM EDT, August 29, 2025