Waukesha County, WI: Current UV Index and Hourly Forecast

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As of 7:01 AM CST on November 19, 2025, all 27 cities in Waukesha County, WI 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 Waukesha County, WI is expected to be 1.8 in Oconomowoc between 12:00 PM - 1:00 PM CST today.

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Current UV Index in Cities in Waukesha County, WI

• Big Bend - 0
• Brookfield - 0
• Butler - 0
• Chenequa - 0
• Delafield - 0
• Dousman - 0
• Eagle - 0
• Elm Grove - 0
• Hartland - 0
• Lac La Belle - 0
• Lannon - 0
• Menomonee Falls - 0
• Merton - 0
• Mukwonago - 0
• Muskego - 0
• Nashotah - 0
• New Berlin - 0
• North Lake - 0
• North Prairie - 0
• Oconomowoc - 0
• Oconomowoc Lake - 0
• Okauchee Lake - 0
• Sussex - 0
• Vernon - 0
• Village of Waukesha - 0
• Wales - 0
• Waukesha - 0