Washington County, OR: Current UV Index and Hourly Forecast

• USA →
• Oregon →
• Washington County

As of 9:40 AM PDT on October 30, 2025, all 27 cities in Washington County, OR in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Beaverton, OR with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in Washington County, OR is expected to be 1.8 in Gaston between 2:00 PM - 3:00 PM PDT today.

Search Cities in Washington County, OR

Current UV Index in Cities in Washington County, OR

• Aloha - 0.2
• Banks - 0.1
• Beaverton - 0.2
• Bethany - 0.2
• Bull Mountain - 0.2
• Cedar Hills - 0.2
• Cedar Mill - 0.2
• Cherry Grove - 0.1
• Cornelius - 0.1
• Dilley - 0.1
• Durham - 0.2
• Forest Grove - 0.1
• Garden Home-Whitford - 0.2
• Gaston - 0.1
• Hillsboro - 0.1
• King City - 0.2
• Marlene Village - 0.2
• Metzger - 0.2
• North Plains - 0.1
• Oak Hills - 0.2
• Raleigh Hills - 0.2
• Rockcreek - 0.1
• Sherwood - 0.2
• Tigard - 0.2
• Tualatin - 0.2
• West Haven-Sylvan - 0.2
• West Slope - 0.2