Yakima County, WA: Current UV Index and Hourly Forecast

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As of 3:42 PM PDT on March 15, 2026, all 27 cities in Yakima County, WA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Tieton, WA with a reading of 2.3.

Over the next 24 hours, the highest UV Index reading in Yakima County, WA is expected to be 3.8 in Toppenish between 2:00 PM - 3:00 PM PDT tomorrow.

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Current UV Index in Cities in Yakima County, WA

• Ahtanum - 2.2
• Buena - 2.1
• Cliffdell - 2.3
• Cowiche - 2.3
• Donald - 2.2
• Eschbach - 2.3
• Gleed - 2.1
• Grandview - 2.2
• Granger - 2.2
• Harrah - 2.2
• Mabton - 2.2
• Moxee - 2.2
• Naches - 2.3
• Nile - 2.2
• Outlook - 2.2
• Parker - 2.2
• Selah - 2.1
• Sunnyside - 2.2
• Tampico - 2.3
• Terrace Heights - 2.2
• Tieton - 2.3
• Toppenish - 2.1
• Union Gap - 2.2
• Wapato - 2.2
• White Swan - 2.3
• Yakima - 2.2
• Zillah - 2.1