Washington County, MN: Current UV Index and Hourly Forecast

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As of 1:45 PM CDT on August 18, 2025, out of 24 cities in Washington County, MN in our database, 21 cities (88%) have a UV Index reading of Moderate, while 3 cities (13%) have a UV Index reading of High. The city with the highest UV Index reading right now is Cottage Grove, MN with a reading of 7.1.

Over the next 24 hours, the highest UV Index reading in Washington County, MN is expected to be 7.1 in Cottage Grove between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Washington County, MN

• Afton - 4.1
• Bayport - 4.1
• Cottage Grove - 7.1
• Dellwood - 5.2
• Forest Lake - 3.8
• Grant - 5.2
• Hugo - 3.8
• Lake Elmo - 5.2
• Lake St. Croix Beach - 4.1
• Lakeland - 4.1
• Lakeland Shores - 4.1
• Landfall - 5.2
• Mahtomedi - 5.2
• Marine on St. Croix - 3.1
• Newport - 7.1
• Oak Park Heights - 4.1
• Oakdale - 5.2
• Pine Springs - 5.2
• Scandia - 3.1
• St. Marys Point - 4.1
• St. Paul Park - 7.1
• Stillwater - 4.1
• Willernie - 5.2
• Woodbury - 5.2