Historical weather data, all-time temperature records, and monthly climate averages for Morrisville, NC. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Morrisville typically lands right in the sweet spot of spring, with average highs of 68° and lows of 44°. The date has a wild range in the books — from a frigid 29° back in 1992 all the way to 89° just this year in 2025. There's about a 1-in-3 chance of rain today, but snow is essentially off the table.
Morrisville plays no games in summer — the all-time high hit a scorching 106° on July 5, 2024, while winters can bite hard, bottoming out at -9° in January 1985. The wettest single day on record dumped 6.45 inches during Hurricane Matthew in October 2016, and a January 2000 snowstorm buried the area under nearly 18 inches.
Summer is long and hot here, with highs averaging 90° in mid-July and staying in the upper 80s through August — plan accordingly if you're heat-sensitive. The coolest stretch comes in mid-January, where average highs only reach 49°. Rain is spread fairly evenly through the year, but late July into early August is the wettest window, averaging over an inch of precipitation per week.