Kauai County, HI: Current UV Index and Hourly Forecast

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As of 1:31 PM HST on September 18, 2025, all 23 cities in Kauai County, HI in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Wailua Homesteads, HI with a reading of 11.5.

Over the next 24 hours, the highest UV Index reading in Kauai County, HI is expected to be 11.5 in Wailua Homesteads between 1:00 PM - 2:00 PM HST today.

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Current UV Index in Cities in Kauai County, HI

• Anahola - 11
• Eleele - 11.5
• Haena - 11.2
• Hanalei - 11.2
• Hanamaulu - 11.1
• Hanapepe - 11.5
• Kalaheo - 11.5
• Kalihiwai - 11.2
• Kapaa - 11.1
• Kaumakani - 11.5
• Kekaha - 11.4
• Kilauea - 11.2
• Koloa - 11.5
• Lawai - 11.5
• Lihue - 11.1
• Omao - 11.5
• Pakala Village - 11.4
• Poipu - 11.5
• Princeville - 11.2
• Puhi - 11.5
• Wailua - 11.1
• Wailua Homesteads - 11.5
• Wainiha - 11.2