Historical weather data, all-time temperature records, and monthly climate averages for Franklin Park, PA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Franklin Park splits the difference between winter and spring — historically, highs land around 58° with lows still dipping to the mid-30s. The date has swung wildly over 34 years of data, from a balmy 75° in 2005 to a brutal 20° low in 1995, so don't put the jacket away just yet.
Franklin Park has seen the full extremes of a western Pennsylvania climate, from a scorching 102° in July 1995 to a bone-chilling -13° in January 1994 — a swing of 115 degrees. A single storm dropped 5.97 inches of rain in June 2009, and a February 2010 snowstorm buried the area under 18.5 inches in one day.
Summer is the clear sweet spot, with highs averaging 85-86° in mid-July and the warmest stretch running from mid-July through late July. Winter bottoms out the third week of January, when average highs barely crack 35°. Rain is spread fairly evenly year-round, but late July is the wettest week on average, so pack accordingly for summer outdoor plans.