Kauai County, HI: Current UV Index and Hourly Forecast

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As of 3:48 PM HST on October 30, 2025, 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 Wailua Homesteads, HI with a reading of 4.6.

Over the next 24 hours, the highest UV Index reading in Kauai County, HI is expected to be 8.1 in Kapaa between 1:00 PM - 2:00 PM HST tomorrow.

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Current UV Index in Cities in Kauai County, HI

• Anahola - 4.3
• Eleele - 4.6
• Haena - 4.4
• Hanalei - 4.4
• Hanamaulu - 4.4
• Hanapepe - 4.6
• Kalaheo - 4.6
• Kalihiwai - 4.4
• Kapaa - 4.4
• Kaumakani - 4.6
• Kekaha - 4.4
• Kilauea - 4.4
• Koloa - 4.6
• Lawai - 4.6
• Lihue - 4.4
• Omao - 4.6
• Pakala Village - 4.4
• Poipu - 4.6
• Princeville - 4.4
• Puhi - 4.6
• Wailua - 4.4
• Wailua Homesteads - 4.6
• Wainiha - 4.4