Historical weather data, all-time temperature records, and monthly climate averages for Roxborough, PA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Roxborough typically lands in the mid-60s for a high and low 40s overnight — classic early spring territory. But the date has a wide range: it hit 80° as recently as 2023, and dipped to 29° back in 2016. Rain is possible about one in three years, but snow is essentially off the table.
Roxborough has seen the full extremes of the mid-Atlantic climate, from a punishing 104° on July 5, 1999 to a brutal -5° on January 19, 1994 — a 109-degree spread across the record books. The wettest single day dumped 7.5 inches on September 28, 2004, and the snowiest dropped 24 inches on January 8, 1996.
Summer is the main event here, with highs averaging 91° during the peak week of July 16–22 and the wettest stretch of the year arriving just before that in early July. Winter bottoms out mid-January with average highs of only 40°, making December through February the stretch to pack layers. Spring and fall offer a quick but pleasant shoulder season on either side.