Honolulu County, HI: Current UV Index and Hourly Forecast

As of 12:18 AM HST on May 17, 2025, all 53 cities in Honolulu 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 Honolulu County, HI is expected to be 11.1 in Pearl City between 1:00 PM - 2:00 PM HST today.

Search Cities in Honolulu County, HI

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Honolulu County, HI as of 12:18 AM HST, May 17, 2025

Current UV Index in Cities in Honolulu County, HI

12:18 AM HST, May 17, 2025