Umatilla County, OR: Current UV Index and Hourly Forecast

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As of 10:07 AM PDT on June 4, 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 4.7.

Over the next 24 hours, the highest UV Index reading in Umatilla County, OR is expected to be 7.9 in Pilot Rock between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Umatilla County, OR

• Adams - 4.5
• Athena - 4.5
• Cayuse - 4.5
• Echo - 4.4
• Gopher Flats - 4.5
• Green Meadows - 4.6
• Helix - 4.5
• Hermiston - 4.4
• Kirkpatrick - 4.5
• McKay - 4.6
• Meacham - 4.7
• Milton-Freewater - 4.4
• Mission - 4.5
• Pendleton - 4.5
• Pilot Rock - 4.6
• Riverside - 4.5
• Stanfield - 4.4
• Tutuilla - 4.6
• Ukiah - 4.7
• Umapine - 4.4
• Umatilla - 4.4
• Weston - 4.5