Hawaii County, HI: Current UV Index and Hourly Forecast

As of 1:32 AM HST on July 2, 2025, all 52 cities in Hawaii County, HI 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 Hawaii County, HI is expected to be 13.8 in Honokaa between 12:00 PM - 1:00 PM HST today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Hawaii County, HI as of 1:32 AM HST, July 2, 2025

Current UV Index in Cities in Hawaii County, HI

1:32 AM HST, July 2, 2025