Historical weather data, all-time temperature records, and monthly climate averages for McKeesport, PA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in McKeesport sits in that classic early spring sweet spot — average highs of 58° with lows still dipping to 35°. The date has seen wild swings over 86 years of records, from a balmy 78° in 1988 down to a brutal 19° in 2013. There's about a 1-in-3 chance of rain today, but snow is off the table.
McKeesport's weather has real teeth on both ends — the thermometer has reached 101° in July and cratered to -19° in January, a swing of 120 degrees. The wettest single day on record dumped over 4 inches of rain in June 1972, and a legendary November storm in 1950 buried the area under 22 inches of snow in a single day.
Summer is the clear peak here, with mid-July highs averaging 86° and the calendar running warm from May through September. If you're avoiding the cold, steer clear of mid-January when average highs barely crack 36°. Pack an umbrella for June — it's the wettest stretch of the year, averaging over an inch of precipitation in a single week.