Historical weather data, all-time temperature records, and monthly climate averages for Overlea, MD. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Overlea typically lands in that sweet spot of early spring — average highs of 61° and lows around 40°, with just a 28% shot at rain. The date has seen wild swings over 86 years of records, from a balmy 84° in 2010 to a teeth-chattering 26° back in 1964.
Overlea earns its Mid-Atlantic stripes with weather that can go to extremes in either direction — a scorching 106° in July 2011 and a brutal -7° in January 1963 represent the outer edges of what this location can dish out. On the wet side, a single August day in 2014 dropped 6.3 inches of rain, and a January 2016 snowstorm buried the area under 25.5 inches.
Summer is the main event here, with peak highs hitting 89° during the third week of July and staying in the mid-to-upper 80s through August. Winter bottoms out mid-January with average highs of just 41°, and if you're trying to dodge the rain, avoid late May through early June — that's historically the wettest stretch of the year, averaging over an inch of precipitation per week.