Washington County, MN: Current UV Index and Hourly Forecast

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As of 2:16 PM CDT on October 6, 2025, all 24 cities in Washington County, MN in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Cottage Grove, MN with a reading of 3.3.

Over the next 24 hours, the highest UV Index reading in Washington County, MN is expected to be 3.7 in Cottage Grove between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Washington County, MN

• Afton - 2.7
• Bayport - 2.7
• Cottage Grove - 3.3
• Dellwood - 2.9
• Forest Lake - 3.1
• Grant - 2.9
• Hugo - 3.1
• Lake Elmo - 2.9
• Lake St. Croix Beach - 2.7
• Lakeland - 2.7
• Lakeland Shores - 2.7
• Landfall - 2.9
• Mahtomedi - 2.9
• Marine on St. Croix - 2.6
• Newport - 3.3
• Oak Park Heights - 2.7
• Oakdale - 2.9
• Pine Springs - 2.9
• Scandia - 2.6
• St. Marys Point - 2.7
• St. Paul Park - 3.3
• Stillwater - 2.7
• Willernie - 2.9
• Woodbury - 2.9