Hawaii (HI): Current UV Index and Hourly Forecast

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As of 10:55 AM HST on January 18, 2026, out of 158 cities in Hawaii in our database, 139 cities (88%) have a UV Index reading of Moderate, while 19 cities (12%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Honaunau-Napoopoo, HI with a reading of 4.5.

Over the next 24 hours, the highest UV Index reading in Hawaii is expected to be 8.3 in Honaunau-Napoopoo between 12:00 PM - 1:00 PM HST today.

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Counties in Hawaii (HI)

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Current UV Index in Major Cities in Hawaii (HI)

• Ahuimanu - 3.3
• Aiea - 2.6
• East Honolulu - 3.3
• Ewa Beach - 3.3
• Ewa Gentry - 3.3
• Haiku-Pauwela - 3.7
• Halawa - 2.6
• Hawaiian Paradise Park - 3.4
• Hickam Housing - 3.3
• Hilo - 3.4
• Honolulu - 3.3
• Kahului - 3.8
• Kailua - 3.3
• Kaneohe - 3.3
• Kapaa - 1.5
• Kapolei - 3.3
• Kihei - 3.8
• Lahaina - 3.6
• Maili - 3.1
• Makaha - 3.1
• Makakilo - 3.3
• Mililani Mauka - 2.6
• Mililani Town - 2.6
• Nanakuli - 3.1
• Ocean Pointe - 3.3
• Pearl City - 2.6
• Royal Kunia - 2.6
• Schofield Barracks - 2.6
• Wahiawa - 2.6
• Waianae - 3.1
• Waihee-Waiehu - 3.7
• Wailuku - 3.7
• Waimalu - 2.6
• Waimea - 4.1
• Waipahu - 2.6
• Waipio - 2.6