Hawaii (HI): Current UV Index and Hourly Forecast

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As of 6:30 AM HST on September 4, 2025, all 158 cities in Hawaii in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Hawaii is expected to be 13.3 in Honokaa between 12:00 PM - 1:00 PM HST today.

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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 - 0
• Aiea - 0
• East Honolulu - 0
• Ewa Beach - 0
• Ewa Gentry - 0
• Haiku-Pauwela - 0
• Halawa - 0
• Hawaiian Paradise Park - 0
• Hickam Housing - 0
• Hilo - 0
• Honolulu - 0
• Kahului - 0
• Kailua - 0
• Kaneohe - 0
• Kapaa - 0
• Kapolei - 0
• Kihei - 0
• Lahaina - 0
• Maili - 0
• Makaha - 0
• Makakilo - 0
• Mililani Mauka - 0
• Mililani Town - 0
• Nanakuli - 0
• Ocean Pointe - 0
• Pearl City - 0
• Royal Kunia - 0
• Schofield Barracks - 0
• Wahiawa - 0
• Waianae - 0
• Waihee-Waiehu - 0
• Wailuku - 0
• Waimalu - 0
• Waimea - 0
• Waipahu - 0
• Waipio - 0