Hawaii (HI): Current UV Index and Hourly Forecast

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As of 2:40 PM HST on May 13, 2026, out of 158 cities in Hawaii in our database, 112 cities (71%) have a UV Index reading of Very High, 26 cities (16%) have a UV Index reading of High, while 20 cities (13%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Kilauea, HI with a reading of 10.

Over the next 24 hours, the highest UV Index reading in Hawaii is expected to be 12.1 in Holualoa between 12:00 PM - 1:00 PM HST tomorrow.

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Counties in Hawaii (HI)

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• Honolulu County
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Current UV Index in Major Cities in Hawaii (HI)

• Ahuimanu - 9.7
• Aiea - 9.9
• East Honolulu - 9.8
• Ewa Beach - 9.8
• Ewa Gentry - 9.8
• Haiku-Pauwela - 9.4
• Halawa - 9.9
• Hawaiian Paradise Park - 4.5
• Hickam Housing - 9.8
• Hilo - 6.4
• Honolulu - 9.8
• Kahului - 8.7
• Kailua - 9.7
• Kaneohe - 9.7
• Kapaa - 9.8
• Kapolei - 9.8
• Kihei - 8.7
• Lahaina - 9.6
• Maili - 9.8
• Makaha - 9.8
• Makakilo - 9.8
• Mililani Mauka - 9.9
• Mililani Town - 9.9
• Nanakuli - 9.8
• Ocean Pointe - 9.8
• Pearl City - 9.9
• Royal Kunia - 9.9
• Schofield Barracks - 9.9
• Wahiawa - 9.9
• Waianae - 9.8
• Waihee-Waiehu - 9.2
• Wailuku - 9.2
• Waimalu - 9.9
• Waimea - 6.8
• Waipahu - 9.9
• Waipio - 9.9