Hawaii County, HI: Current UV Index and Hourly Forecast

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As of 8:26 AM HST on September 8, 2026, all 52 cities in Hawaii County, HI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Mountain View, HI with a reading of 1.8.

Over the next 24 hours, the highest UV Index reading in Hawaii County, HI is expected to be 13.9 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 - 1.6
• Black Sands - 1.6
• Captain Cook - 1.5
• Discovery Harbour - 1.6
• Eden Roc - 1.6
• Fern Acres - 1.6
• Fern Forest - 1.8
• Halaula - 1.6
• Hawaiian Acres - 1.6
• Hawaiian Beaches - 1.6
• Hawaiian Ocean View - 1.6
• Hawaiian Paradise Park - 1.6
• Hawi - 1.6
• Hilo - 1.6
• Holualoa - 1.5
• Honalo - 1.5
• Honaunau-Napoopoo - 1.8
• Honokaa - 1.7
• Honomu - 1.6
• Kahaluu-Keauhou - 1.5
• Kalapana - 1.6
• Kaloko - 1.5
• Kamaili - 1.6
• Kapaau - 1.6
• Keaau - 1.6
• Kealakekua - 1.5
• Kukuihaele - 1.7
• Kurtistown - 1.6
• Laupahoehoe - 1.7
• Leilani Estates - 1.6
• Mauna Loa Estates - 1.8
• Mountain View - 1.8
• Naalehu - 1.5
• Nanawale Estates - 1.6
• Orchidlands Estates - 1.6
• Paauilo - 1.7
• Pahala - 1.6
• Pahoa - 1.6
• Papaikou - 1.6
• Paukaa - 1.6
• Pepeekeo - 1.6
• Puako - 1.6
• Royal Hawaiian Estates - 1.8
• Seaview - 1.6
• Tiki Gardens - 1.6
• Volcano - 1.8
• Volcano Golf Course - 1.8
• Waikoloa Beach Resort - 1.6
• Waikoloa Village - 1.6
• Waimea - 1.6
• Wainaku - 1.6
• Waiohinu - 1.5