Umatilla County, OR: Current UV Index and Hourly Forecast

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As of 5:22 PM PDT on July 18, 2025, all 22 cities in Umatilla County, OR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Ukiah, OR with a reading of 2.8.

Over the next 24 hours, the highest UV Index reading in Umatilla County, OR is expected to be 8.8 in Ukiah between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Umatilla County, OR

• Adams - 2.6
• Athena - 2.6
• Cayuse - 2.6
• Echo - 2.5
• Gopher Flats - 2.6
• Green Meadows - 2.6
• Helix - 2.6
• Hermiston - 2.5
• Kirkpatrick - 2.6
• McKay - 2.6
• Meacham - 2.6
• Milton-Freewater - 2.5
• Mission - 2.6
• Pendleton - 2.6
• Pilot Rock - 2.6
• Riverside - 2.6
• Stanfield - 2.5
• Tutuilla - 2.6
• Ukiah - 2.8
• Umapine - 2.5
• Umatilla - 2.5
• Weston - 2.6