Historical weather data, all-time temperature records, and monthly climate averages for Greensburg, PA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Greensburg is a coin-flip weather day — literally, with a 52% chance of precipitation. Expect something in the neighborhood of 58° for a high, though history shows this date has swung wildly from a frigid 16° in 2013 to a shirt-sleeve 78° in 2010. Snow is unlikely but not impossible, with an 8% chance.
Greensburg has seen the full extremes of western Pennsylvania weather, from a brutal -22° in January 1994 to a sweltering 98° in July 2012 — a 120-degree range in the record books. A single September day in 2004 dumped 5.27 inches of rain, and January 1994 was no kinder on the snow side, delivering 20 inches in one storm.
Greensburg follows a classic four-season mid-Atlantic pattern: summers peak in the third week of July with average highs around 86°, while mid-January is the depth of winter at just 36°. Spring warms quickly from 52° in March to 73° by May, making it a pleasant shoulder season. If you want to dodge rain, avoid late June — it's the wettest stretch of the year.