Hawaii County, HI: Current UV Index and Hourly Forecast

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As of 10:11 AM HST on April 26, 2025, out of 52 cities in Hawaii County, HI in our database, 42 cities (81%) have a UV Index reading of High, 7 cities (13%) have a UV Index reading of Moderate, while 3 cities (6%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Honaunau-Napoopoo, HI with a reading of 8.1.

Over the next 24 hours, the highest UV Index reading in Hawaii County, HI is expected to be 12.7 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 - 7.3
• Black Sands - 7.3
• Captain Cook - 7
• Discovery Harbour - 7
• Eden Roc - 7.3
• Fern Acres - 7.3
• Fern Forest - 5.2
• Halaula - 7.1
• Hawaiian Acres - 7.3
• Hawaiian Beaches - 7.3
• Hawaiian Ocean View - 7
• Hawaiian Paradise Park - 7.3
• Hawi - 7.1
• Hilo - 7.2
• Holualoa - 7.1
• Honalo - 7
• Honaunau-Napoopoo - 8.1
• Honokaa - 7.7
• Honomu - 7.2
• Kahaluu-Keauhou - 7
• Kalapana - 7.2
• Kaloko - 7.1
• Kamaili - 7.3
• Kapaau - 7.1
• Keaau - 7.3
• Kealakekua - 7
• Kukuihaele - 7.7
• Kurtistown - 7.3
• Laupahoehoe - 7.3
• Leilani Estates - 7.3
• Mauna Loa Estates - 5.2
• Mountain View - 5.2
• Naalehu - 6.5
• Nanawale Estates - 7.3
• Orchidlands Estates - 7.3
• Paauilo - 7.3
• Pahala - 5.4
• Pahoa - 7.3
• Papaikou - 7.2
• Paukaa - 7.2
• Pepeekeo - 7.2
• Puako - 7.2
• Royal Hawaiian Estates - 5.2
• Seaview - 7.3
• Tiki Gardens - 7.3
• Volcano - 5.2
• Volcano Golf Course - 5.2
• Waikoloa Beach Resort - 7.2
• Waikoloa Village - 7.2
• Waimea - 7.2
• Wainaku - 7.2
• Waiohinu - 6.5