Hawaii (HI): Current UV Index and Hourly Forecast

As of 8:24 PM HST on April 2, 2026, all 158 cities in Hawaii 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 is expected to be 11.9 in Honaunau-Napoopoo between 1:00 PM - 2:00 PM HST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Hawaii as of 8:24 PM HST, April 2, 2026

Counties in Hawaii (HI)

Current UV Index in Major Cities in Hawaii (HI)

8:24 PM HST, April 2, 2026