Grand Isle County, VT: Current UV Index and Hourly Forecast

As of 6:24 PM EDT on June 27, 2025, all 1 cities in Grand Isle County, VT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is South Hero, VT with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Grand Isle County, VT is expected to be 3.3 in South Hero between 12:00 PM - 1:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Grand Isle County, VT as of 6:24 PM EDT, June 27, 2025

Current UV Index in Cities in Grand Isle County, VT

6:24 PM EDT, June 27, 2025