New Hampshire (NH): Current UV Index and Hourly Forecast

  • USA
  • New Hampshire

As of 10:39 AM EDT on May 13, 2025, all 41 cities in New Hampshire in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is West Stewartstown, NH with a reading of 4.6.

Over the next 24 hours, the highest UV Index reading in New Hampshire is expected to be 7.7 in Portsmouth between 12:00 PM - 1:00 PM EDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in New Hampshire as of 10:39 AM EDT, May 13, 2025

Counties in New Hampshire (NH)

Current UV Index in Major Cities in New Hampshire (NH)

10:39 AM EDT, May 13, 2025