Kauai County, HI: Current UV Index and Hourly Forecast

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As of 4:20 PM HST on June 29, 2026, all 23 cities in Kauai County, HI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Kapaa, HI with a reading of 4.7.

Over the next 24 hours, the highest UV Index reading in Kauai County, HI is expected to be 12.3 in Wailua Homesteads between 1:00 PM - 2:00 PM HST tomorrow.

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Current UV Index in Cities in Kauai County, HI

• Anahola - 4.7
• Eleele - 4.4
• Haena - 4.4
• Hanalei - 4.4
• Hanamaulu - 4.7
• Hanapepe - 4.4
• Kalaheo - 4.4
• Kalihiwai - 4.4
• Kapaa - 4.7
• Kaumakani - 4.4
• Kekaha - 3.4
• Kilauea - 4.4
• Koloa - 4.4
• Lawai - 4.4
• Lihue - 4.7
• Omao - 4.4
• Pakala Village - 3.4
• Poipu - 4.4
• Princeville - 4.4
• Puhi - 4.4
• Wailua - 4.7
• Wailua Homesteads - 4.4
• Wainiha - 4.4