Hawaii County, HI: Current UV Index and Hourly Forecast

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As of 12:05 PM HST on May 11, 2026, all 52 cities in Hawaii County, HI in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Honaunau-Napoopoo, HI with a reading of 13.

Over the next 24 hours, the highest UV Index reading in Hawaii County, HI is expected to be 13 in Honaunau-Napoopoo between 12:00 PM - 1:00 PM HST today.

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Current UV Index in Cities in Hawaii County, HI

• Ainaloa - 11.8
• Black Sands - 11.8
• Captain Cook - 11.2
• Discovery Harbour - 10.8
• Eden Roc - 11.8
• Fern Acres - 11.8
• Fern Forest - 12.6
• Halaula - 11.6
• Hawaiian Acres - 11.8
• Hawaiian Beaches - 11.8
• Hawaiian Ocean View - 10.8
• Hawaiian Paradise Park - 11.8
• Hawi - 11.6
• Hilo - 11.5
• Holualoa - 11.6
• Honalo - 11.2
• Honaunau-Napoopoo - 13
• Honokaa - 12.3
• Honomu - 11.5
• Kahaluu-Keauhou - 11.2
• Kalapana - 11.6
• Kaloko - 11.6
• Kamaili - 11.8
• Kapaau - 11.6
• Keaau - 11.8
• Kealakekua - 11.2
• Kukuihaele - 12.3
• Kurtistown - 11.8
• Laupahoehoe - 11.7
• Leilani Estates - 11.8
• Mauna Loa Estates - 12.6
• Mountain View - 12.6
• Naalehu - 11.6
• Nanawale Estates - 11.8
• Orchidlands Estates - 11.8
• Paauilo - 11.7
• Pahala - 12.5
• Pahoa - 11.8
• Papaikou - 11.5
• Paukaa - 11.5
• Pepeekeo - 11.5
• Puako - 11.8
• Royal Hawaiian Estates - 12.6
• Seaview - 11.8
• Tiki Gardens - 11.8
• Volcano - 12.6
• Volcano Golf Course - 12.6
• Waikoloa Beach Resort - 11.8
• Waikoloa Village - 11.8
• Waimea - 11.8
• Wainaku - 11.5
• Waiohinu - 11.6