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

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As of 9:29 PM EDT on August 17, 2026, all 41 cities in New Hampshire 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 New Hampshire is expected to be 6.6 in West Swanzey between 2:00 PM - 3:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in New Hampshire as of 9:29 PM EDT, August 17, 2026

Counties in New Hampshire (NH)

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

9:29 PM EDT, August 17, 2026