Hawaii County, HI: Current UV Index and Hourly Forecast

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As of 9:26 AM HST on July 15, 2025, all 52 cities in Hawaii County, HI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Honaunau-Napoopoo, HI with a reading of 5.2.

Over the next 24 hours, the highest UV Index reading in Hawaii County, HI is expected to be 13.8 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 - 4.2
• Black Sands - 4.2
• Captain Cook - 4.5
• Discovery Harbour - 4.6
• Eden Roc - 4.2
• Fern Acres - 4.2
• Fern Forest - 4.9
• Halaula - 4.7
• Hawaiian Acres - 4.2
• Hawaiian Beaches - 4.2
• Hawaiian Ocean View - 4.6
• Hawaiian Paradise Park - 4.2
• Hawi - 4.7
• Hilo - 2.8
• Holualoa - 4.6
• Honalo - 4.5
• Honaunau-Napoopoo - 5.2
• Honokaa - 5
• Honomu - 2.8
• Kahaluu-Keauhou - 4.5
• Kalapana - 4.3
• Kaloko - 4.6
• Kamaili - 4.2
• Kapaau - 4.7
• Keaau - 4.2
• Kealakekua - 4.5
• Kukuihaele - 5
• Kurtistown - 4.2
• Laupahoehoe - 4.8
• Leilani Estates - 4.2
• Mauna Loa Estates - 4.9
• Mountain View - 4.9
• Naalehu - 4.6
• Nanawale Estates - 4.2
• Orchidlands Estates - 4.2
• Paauilo - 4.8
• Pahala - 4.9
• Pahoa - 4.2
• Papaikou - 2.8
• Paukaa - 2.8
• Pepeekeo - 2.8
• Puako - 4.7
• Royal Hawaiian Estates - 4.9
• Seaview - 4.2
• Tiki Gardens - 4.2
• Volcano - 4.9
• Volcano Golf Course - 4.9
• Waikoloa Beach Resort - 4.7
• Waikoloa Village - 4.7
• Waimea - 4.7
• Wainaku - 2.8
• Waiohinu - 4.6