Historical weather data, all-time temperature records, and monthly climate averages for Smithfield, NC. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Smithfield typically feels like spring is firmly in charge, with average highs of 73° and lows of 45°. But the date has a 65-degree range of extremes hiding in its history — from a bitter 25° in 1924 to a scorching 90° just this year in 2025. Rain is possible but unlikely, with only a 24% chance of precipitation.
Smithfield's weather has real teeth at both ends of the thermometer — 134 years of records span from a brutal -5° in January 1893 to a sweltering 106° in July 1952. Hurricane Floyd put the wettest day on the books with 8.9 inches on September 16, 1999, while a March 1927 snowstorm dumped an impressive 18 inches.
Smithfield runs hot for a long stretch — highs stay in the 80s and 90s from May through September, peaking around 91° in mid-July. Winters are mild but real, with average highs dipping to the low 50s in January. Summer is also the wettest season, so pack accordingly if you're visiting in July.