Yakima County, WA: Current UV Index and Hourly Forecast

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As of 2:26 PM PDT on September 23, 2025, all 27 cities in Yakima County, WA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Nile, WA with a reading of 5.

Over the next 24 hours, the highest UV Index reading in Yakima County, WA is expected to be 5.3 in Nile between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Yakima County, WA

• Ahtanum - 4.7
• Buena - 4.7
• Cliffdell - 4.9
• Cowiche - 4.8
• Donald - 4.7
• Eschbach - 4.8
• Gleed - 4.7
• Grandview - 4.7
• Granger - 4.7
• Harrah - 4.7
• Mabton - 4.7
• Moxee - 4.7
• Naches - 4.8
• Nile - 5
• Outlook - 4.7
• Parker - 4.7
• Selah - 4.7
• Sunnyside - 4.7
• Tampico - 4.8
• Terrace Heights - 4.7
• Tieton - 4.8
• Toppenish - 4.7
• Union Gap - 4.7
• Wapato - 4.7
• White Swan - 4.8
• Yakima - 4.7
• Zillah - 4.7