Historical weather data, all-time temperature records, and monthly climate averages for Lancaster, OH. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Lancaster runs mild, with an average high of 62° and low of 37° across 32 years of records. The date has swung wildly though — from a balmy 86° in 2010 down to a bitter 23° in 2016. There's a 38% chance of rain today, but snow is essentially off the table.
Lancaster's weather has real bite to it: the mercury has hit 100° (July 2012) and cratered to -12° (January 2014), a 112-degree swing in the all-time books. A single January day in 2004 dropped 4.55 inches of rain, and another that same month buried the area under 6 inches of snow.
Summer is the sweet spot — highs peak around 85-86° in mid-July, making June through August the time to be outdoors. If you're cold-averse, avoid mid-January, when average highs barely crack 35°. Pack an umbrella for mid-June, the wettest stretch of the year at 1.29 inches per week.