Umatilla County, OR: Current UV Index and Hourly Forecast

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As of 1:28 AM PST on December 9, 2025, all 22 cities in Umatilla County, OR 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 Umatilla County, OR is expected to be 0.6 in Umatilla between 12:00 PM - 1:00 PM PST today.

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Current UV Index in Cities in Umatilla County, OR

• Adams - 0
• Athena - 0
• Cayuse - 0
• Echo - 0
• Gopher Flats - 0
• Green Meadows - 0
• Helix - 0
• Hermiston - 0
• Kirkpatrick - 0
• McKay - 0
• Meacham - 0
• Milton-Freewater - 0
• Mission - 0
• Pendleton - 0
• Pilot Rock - 0
• Riverside - 0
• Stanfield - 0
• Tutuilla - 0
• Ukiah - 0
• Umapine - 0
• Umatilla - 0
• Weston - 0