Marlborough is located in Saint Louis County, Missouri. There are roughly 1,059 residents, living in 576 households. The average temperature for Marlborough this time of the year is low of 68F and high of 90F. On average, Marlborough gets about 3.83 inches of precipitation in July. 26% residents are home owners, have a post secondary degree (63%) and are single, no kids (67%).
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