UV index in Honolulu, HI today
The UV index in Honolulu, HI today is 8 (very high). Sun protection is recommended from about 9am until about 4pm.
Hourly UV estimate
Estimated from the EPA daily peak and the sun’s position. Bars show the UV index at the top of each hour.
Sun times
What to do at UV 8
Unprotected skin and eyes can burn quickly. Avoid midday sun, seek shade, cover up and reapply sunscreen about every two hours.
Questions
What is the UV index in Honolulu, HI today?
Honolulu, HI has a UV index of 8 (very high) today, based on the EPA forecast for Monday, October 26, 2026.
When is the UV index highest in Honolulu, HI?
Around solar noon, which is about 12:15 PM local time today. The sun is highest then, so UV rays are strongest.
Do I need sunscreen today in Honolulu, HI?
Unprotected skin and eyes can burn quickly. Avoid midday sun, seek shade, cover up and reapply sunscreen about every two hours. Sun protection is recommended from about 9am until about 4pm.
How is this UV index calculated?
The daily peak comes from the EPA UV Index forecast for ZIP code 96801. The hourly bars are an estimate that scales that peak by the sun’s height in the sky, so treat them as a guide rather than a measurement.
More UV index forecasts in HI
Source: U.S. EPA SunWise and the UV Index. Sunrise, sunset and hourly values are estimates by UV Warden. Last checked 2026-10-27. See the UV index scale.