Kauai County, HI: Current UV Index and Hourly Forecast

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As of 12:02 PM HST on May 20, 2026, out of 23 cities in Kauai County, HI in our database, 17 cities (74%) have a UV Index reading of Extreme, while 6 cities (26%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Kekaha, HI with a reading of 11.

Over the next 24 hours, the highest UV Index reading in Kauai County, HI is expected to be 11.3 in Kekaha between 1:00 PM - 2:00 PM HST today.

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Current UV Index in Cities in Kauai County, HI

• Anahola - 10.8
• Eleele - 10.9
• Haena - 9.7
• Hanalei - 9.7
• Hanamaulu - 10.8
• Hanapepe - 10.9
• Kalaheo - 10.9
• Kalihiwai - 9.7
• Kapaa - 10.8
• Kaumakani - 10.9
• Kekaha - 11
• Kilauea - 9.7
• Koloa - 10.9
• Lawai - 10.9
• Lihue - 10.8
• Omao - 10.9
• Pakala Village - 11
• Poipu - 10.9
• Princeville - 9.7
• Puhi - 10.9
• Wailua - 10.8
• Wailua Homesteads - 10.9
• Wainiha - 9.7