Raleigh NC Weather Forecast In Raleigh, the temperature changes significantly, with temperate to scorching weather experienced all year. Throughout the year, you can experience pleasant summers, nippy autumns, cold winters, and temperate seasons. In general, the annual mean temperature in Raleigh is approximately XX degrees Fahrenheit and XX degrees Celsius. Remember to monitor the weather forecast before any open-air activities in order to dress appropriately and make the most of your time in Raleigh.